A triscupid valve has 3 and the biscuspid valve has two
Answer:
A
Explanation:
Observing behaviors has nothing to do with research. Hope this helped!!! have a great day!!!
The glial cells forming myelin sheaths are called oligodendrocytes in the central nervous system and Schwann cells in the peripheral nervous system. The gaps (approximately 1 micrometer wide) formed between myelin sheath cells long the axons are called Nodes of Ranvier.
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Submit a research text article and then read it because I don’t really know the account an
In my opinion, i think it's D but im not sure. Hope this helped, have an amazing day :)