Answer:
The ventricles of the heart have thicker muscular walls than the atria. This is because blood is pumped out of the heart at greater pressure from these chambers compared to the atria.
Explanation:
hope this helps
ANSWER:
A
Explanation: chimpanzees have 0% difference from humans.
Answer: I would answer B just from looking at it because they are the two bigger objects and they're the closest together
Explanation: