EXCRETION - Gidemy High School Biology

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Excretory System Song
Gidemy High School Biology
00:01:31
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Urinary System Song
Gidemy High School Biology
3:54
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Blood coagulation and clotting   3D Video
Gidemy High School Biology
2:03
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Excretion in humans 3D Animation
Gidemy High School Biology
00:04:42
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What is the structure and function of the skin
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00:04:13
Biology - Immune System (Defences Against Pathogens)
Gidemy High School Biology
04:46

Biology - Immune System (Defences Against Pathogens)

32 Views· 15/02/23
Gidemy High School Biology
3

⁣The immune system responds to antigens by producing cells that directly attack the pathogen, or by producing special proteins called antibodies. Antibodies attach to an antigen and attract cells that will engulf and destroy the pathogen. The main cells of the immune system are lymphocytes known as B cells and T cells.

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