Open Vs, Closed Circulatory Systems - A Level Biology
0
0
77 Mga view·
14/02/23
Sa
Iba pa
Blood can flow through vessels inside the body, such as arteries and veins. This type of circulation is called closed circulation. Open circulation happens when there are no vessels to contain the blood, and it flows freely through the cavities of the body.
Magpakita ng higit pa
0 Mga komento
sort Pagbukud-bukurin Ayon