Answer:
A. the digestive, muscular, and respiratory
Explanation:
Muscle weakness affects the muscular system (muscles are in the muscular system) , stomach pain affects the digestive system (stomach is a part of the digestive system), and coughing affects the respiratory system (coughing hinders the ability to breathe properly).
The major organ of the circulatory system that causes blood to flow through the body by its pumping action is the heart.
Answer:
calculate it
Explanation:
I have a problem I'm math I calculate it my answer is perfect don't mad at me I'm just helping
Answer:
chlorophyll is the answer
Answer:
A. Ions are unable to move through the phospholipid bilayer because the nonpolar tail regions of the phospholipids are hydrophobic.
Explanation:
Answers B, C, and D are wrong.