Answer:
D) is the answer because it only allows particular molecules to get in and out
Answer:
The answer is true.
Explanation:
Your heart has 4 chambers. The upper chambers are called the left and right atria, and the lower chambers are called the left and right ventricles. A wall of muscle called the septum separates the left and right atria and the left and right ventricles.
If this is a true/false question, the answer is true.
I think she should Schedule tutoring classes every week to help her with her classes.
