Answer:
I believe the answer is 3
Explanation:
Both it.) And I.) Can be answers. You could argue either one is right.
It is reticulate venation, where the veins are arranged in a network.
Answer:is storing potential energy
Explanation:
Answer:
Explanation:
You have external defense systems, which include your skin, tears, mucus, saliva, stomach acid, cilia (small hairs) and helpful bacteria. ... The skin stops pathogens from entering the blood, at least when you're not bleeding. The tears, mucus, and cilia trap them and help push them back out of your body.
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