Both oysters and squid are mollusks why is an open circulatory system adequate for an oyster but not for a squid

What maintain homeostasis when a persons internal body temperature is 97.5°f

Urgent. the table shows the relative blood flow through some organs in the human body that is, the percentage of blood that flows through a given organ, through which organ(s) does all the blood flow? explain the effect of exercise on blood flow to skeletal muscles.

Give examples of selective advantage of organism’s body part/organ