⁣Weathering is the breaking down or dissolving of rocks and minerals on Earths surface. Once a rock has been broken down, a process called erosion transports the bits of rock and minerals away. Water, acids, salt, plants, animals, and changes in temperature are all agents of weathering and erosion.

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This video will help you to learn What is the structure and function of the skin? with Example.

What is the structure and function of the skin?

Have you ever wondered what is our body’s largest organ?

Could it be heart? What about your lungs ? or your brain?

No, they are not nearly the body’s largest organ?

You can see your body’s largest organ right now?

What are we talking about?

The skin of course!!

The skin is the largest organ of the body, accounting for about 15% of the total adult body weight.

It performs many vital functions, including protection against external physical, chemical, and biological ****ailants, as well as prevention of excess water loss from the body and a role in thermoregulation.

The skin is continuous, with the mucous membranes lining the body’s surface.

The integumentary system is formed by the skin and its derivative structures.

The skin has basically three layers - Epidermis, dermis and hypodermis.

The epidermis is the outermost layer of skin which provides a waterproof barrier and creates our skin tone.

The epidermis consists of a specific group of cells known as keratinocytes which function to synthesize, keratin which is a long thread-like protein with a protective role.

The dermis is beneath the epidermis and it contains tough connective tissue, hair follicles, and sweat glands.

The dermis is fundamentally made up of the fibrillar a structural protein is known as collagen.

The dermis lies on subcutaneous tissue or panniculus, which contain small lobe of fat cells known as lipocyte.

The deeper subcutaneous tissue or hypodermis is made of fat and connective tissue.

The color of the skin is created by special cells called melanocytes, which produce the pigment melanin.

Melanocytes are located in the epidermis.

Thanks for watching this video.

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The Cell Theory Song
Mr. Tamez

Lyrics:

CHORUS
All living things are composed of cells
Cells are the basic units of structure and function in living things
New cells are produced from existing cells

VERSE 1
Back then was a guy named Hooke, cut some cork and he had a look
Underneath his microscope tiny rooms that he saw in groups
Empty rooms that looked like shells He's the one that called them cells
Listen up cause we're not done Cell theory had just begun
Add one scientist to know the inventor of the microscope
Anton von Leeuwenhoek saw cells move and he was like "That's dope"

PRE CHORUS
Cell theory, cell theory, cell theory, cell theory, cell theory, go!

VERSE 2
If you thought this was complete take a breath and have a seat
Two scientists to have their say Schleiden and Schwann to save the day
Schleiden said all plants have cells they are alive and we can tell
The next year Mr. Schwann could see all animals have cells that live and breathe
Oh they live and breathe Live and breathe

BRIDGE
In 1855, Rudolph Virchow proposed that all cells
Come from other cells
This was the final discovery
That ended cell theory cell theory

⁣Child safety is, of course, really important as it is our responsibility as adults to protect children in our care from harm. Until they are old enough to put preventative measures in place themselves and understand the consequences of not staying safe, adults need to have a good grasp on child safety in all its forms.

#Lever #EffortArm #LoadArm

This video is part of a playlist having the following videos. Watch all of them in sequence for a better learning experience.
Enjoy learning :)

Video No.1: Simple Machines(Part-1)
https://youtu.be/JlA6T_64o0c?l....ist=PLoPH9JUqy7EQITA

Video No.2: Simple machines (Part-2)
https://youtu.be/NcmRJspWyNo?l....ist=PLoPH9JUqy7EQITA

Video No.3: Simple Machine – Lever and its types
https://youtu.be/5HTaJ2mCGTw?l....ist=PLoPH9JUqy7EQITA

Video No.4: Lever | Effort arm and load arm of a Lever
https://youtu.be/HAhf311RZkY?l....ist=PLoPH9JUqy7EQITA

Video No.5: Calculating Mechanical Advantage of Lever
https://youtu.be/wIaHQsxGj78?l....ist=PLoPH9JUqy7EQITA

Video No.6: Gears(Part-1) | Characteristics | Gearing Up | Gearing Down
https://youtu.be/0RGzUQ6LJnw?l....ist=PLoPH9JUqy7EQITA

Video No.7: Gears(Part-2)Types and Functions
https://youtu.be/f8lqpMLZlBc?l....ist=PLoPH9JUqy7EQITA

Video No.8: Simple Machines–Compound Pulleys and its Types
https://youtu.be/NOeRoLgvYZM?l....ist=PLoPH9JUqy7EQITA

Video No.9: Simple Machines–Pulley and its types
https://youtu.be/EhI-mmQMVkU?l....ist=PLoPH9JUqy7EQITA

Lever
• Parts of a lever: Effort, Fulcrum and Load
• Three cl****es of a lever
• Effort arm of a lever
• Load arm of a lever
• Relationship between effort arm and mechanical advantage of a lever


I hope you liked our video.
Kids should spend time watching informative videos and expand their knowledge day by day.
Kids retain what they see in audio-visual lessons so make them watch informative videos rather than cramming things.

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If we want to learn high-level concepts, we should have a clear understanding of the basic concepts. For instance, if kids don't know about addition and subtraction, they cannot do multiplication, and if they don't know about multiplication, they cannot do division, and if they don't have knowledge of these four basic operations, Algebra cannot be done by them, and it goes on and on.
The same applies to the English language if kids don't have sound knowledge of grammar and vocabulary; it becomes extremely difficult for them to have their communication skills.
Knowledge of the scientific concepts is also required for observing physical, chemical, biological phenomena happening all around us.
That is why; Tutway has thousands of animated videos on Maths, English, and Science to clear the basics of these subjects. It perfectly suits most of the educational needs of most of the students, regardless of their learning abilities.
So hurry up, download the Tutway app and book a free demo cl**** to make education interactive and fun experience.

⁣A homophone is a word that has the same pronunciation as another word but is spelled differently and has a different meaning. For example 'toe' and 'tow', 'rows' and 'rose', 'there' and 'their' and they're'. A homograph is a word that has the same spelling as another word but has a different meaning.

⁣What are possessive nouns? Possessive nouns are used to denote ownership or to detail an aspect or attribute of something. If a phrase can be changed to say that a noun belongs to someone or something, then a possessive noun may be used. Remember, the possessive normally is placed in front of the item it owns.

⁣A negative sentence or phrase is one that contains a word such as "not", "no", "never", or "nothing": "I've never seen him in my life" is a negative sentence.

⁣An adjective is a word that modifies or describes a noun or pronoun. Adjectives can be used to describe the qualities of someone or something independently or in comparison to something else. Examples: Adjectives in a sentence I like old houses.

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SUMMARY: This karaoke-style music video provides a musical explanation of the structure of the cell membrane. This includes the structure of phospholipids, the key structural component of biological membranes, and how phospholipids interact with water to organize themselves into a phospholipid bilayer. The roles of membranes proteins, carbohydrates, and cholesterol is also discussed.

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Lyrics:

If you're in a cell's cytoplasm, heading outside,
Your last stop's a barrier, 8 nanometers wide,
The cell membrane: our subject for today
It's as basic to life as DNA

It's Selectively permeable, like a border patrol
of a country it maintains control.
Selecting what leaves or what gains entry
It's a guard, bouncer, watchman, patrolman or sentry.

But not just a guard, it sends signals in nerves
White blood cells use their membranes to eat germs like hors d'oeuvres,
Membranes have receptors, enzymes and junctions,
So what kinds of structure can have all these functions?

CHORUS
C-E double L, "Mem" B-R-A-N-E
Controlling transport selective permeability
Phospholipids, Carbohydrates, Proteins and Cholesterol
The Fluid Mosaic Bilayer in us all

So let's take a look at what makes up the membrane,
Phospholipids rule this domain,
In fact membrane structure emerges directly
from phospholipids' chemical properties.

There's a head and a tail on every phospholipid,
The tail's two long chain fatty acids
Bound to a glycerol, it's made to order
The tail's non-polar --hydrophobic-- fears water

The head's got a phosphate, it's charged negatively,
makes the head hydrophilic--plays in water happily
So tail avoids water while the head's attracted to it,
When phospholipids form the membrane that's how they do it.

Cause when phospholipids into water get submerged,
A phospholipid bilayer structure will emerge
The tails hang together in a water free zone,
Hear their hydrophobic moan, "water leave me alone!"

While the heads are sticking out touching all those H2Os
Tails in, heads out, it's how every membrane goes
Tails in, heads out, in a cellular sphere,
It's the bilayered basis of membranes everywhere.

CHORUS

But a cell membrane's not just a phospholipid scene
There's cholesterol, carbohydrates, lots of proteins.
In fact, membrane proteins have a presence so great,
that they often exceed the phospholipids by weight.

And all of these components are in constant motion,
Moving, mixing like a boiling potion,
Flowing like dancers in a party in Pasaic
That's why the membrane's thought of as a fluid mosaic.

Let's start with proteins since they're key in this mix.
Transmembrane proteins span the entire width.
Typically they're ports--think of channels or conveyors,
For things that don't go through the lipid bilayer.

Any protein embedded in the hydrophobic middle
Built right into the inside is considered integral
While peripheral proteins either hang on the exterior,
Or inside on the cytoplasmic interior.

Cholesterol keeps membranes flowing with ease,
In cold it keeps the lipids moving so they don't freeze,
In heat it slows the lipids down limiting their traveling,
Cholesterol: it keeps membranes from unraveling

Membrane carbohydrates work as markers or signs
So your immune system knows which flag your cells are flyin'
The blood types AB, O, and B and A
Are about the carbohydrates on red blood cell membranes.

CHORUS

⁣Comprehension is the understanding and interpretation of what is read. To be able to accurately understand written material, children need to be able to (1) decode what they read; (2) make connections between what they read and what they already know; and (3) think deeply about what they have read.

⁣A parent-child relationship (PCR) is one that nurtures the physical, emotional, and social development of the child. It's a unique bond that every child and parent experience, enjoy and nurture. The relationship lays the foundation for the child's personality, choices, and overall behavior.

⁣A food web consists of all the food chains in a single ecosystem. Each living thing in an ecosystem is part of multiple food chains. Each food chain is one possible path that energy and nutrients may take as they move through the ecosystem.

⁣The circulatory system is made up of blood vessels that carry blood away from and towards the heart. Arteries carry blood away from the heart and veins carry blood back to the heart. The circulatory system carries oxygen, nutrients, and hormones to cells, and removes waste products, like carbon dioxide.

⁣a word or phrase that modifies or qualifies an adjective, verb, or other adverb or a word group, expressing a relation of place, time, circumstance, manner, cause, degree, etc. (e.g., gently, quite, then, there ).

DNA Song. Here is a song I made for a student to help the study. I hope you enjoy!
Here we go, genetic code, determines how you live
Oh size, shape, color and all makes you who you is
You should know the chromosomes has thousands of genes
A T and G C makes types of proteins
During synthesis, the cell uses info
From a gene on a chromosome
Out in the cytoplasm and on the ribosomes
Info needs to get out the nucleus

It's the DNA, in ya
It's the genetic code, in ya
Paring Nitrogen bases, in ya
The double helix ladder, in ya
Oohh
Adenine goes with Thymine
And Guanine pairs with Cytosine
Matched pairs of DNA, bases
How cells produce proteins
Ooh, no, no, no

Send, send, send the code out to the cytoplasm
This genetic messenger is ribonucleic acid
RNA, DNA, differ in many ways, yeah
RNA molecules look like one side or strand

Ribonucleic acid has a different sugar
Has uracil instead of thymine
Messenger RNA sends info out to the cytoplasm
Transfer adds amino acids to proteins

It's the DNA, in ya
It's the genetic code, in ya
Paring Nitrogen bases, in ya
The double helix ladder, in ya
Oohh
Adenine goes with Thymine
And Guanine pairs with Cytosine
Matched pairs of DNA, bases
How cells produce proteins

Messenger RNA production
Ooh, attaches to a ribosome
Transfer attaches to messenger
Ribosome releases, the completed protein chain


But don't you know it's the DNA, in ya
It's the genetic code, in ya
Paring Nitrogen bases, in ya
The double helix ladder, in ya
Oooh
Adenine goes with Thymine
And Guanine pairs with Cytosine
Matched pairs of DNA, bases
How cells produce proteins

Yeah, how cells make proteins
It's in the DNA
Ooh how cells make proteins
No, no, no, no

⁣Materials are the matter or substance that objects are made from. We use a wide range of different materials daily; these might include: metal. plastic. wood.

⁣Life Cycle of an Animal: Animals start from eggs or live birth, then they grow up and mate. Animals begin life either from an egg or as a baby that is born ready for life. Baby animals grow and change into adolescents and eventually become adults.

All credits listed at the end of video

⁣How to write a composition in 5 steps
1 Brainstorm.
2 Outline.
3 First draft.
4 Edit.
5 Proofread.