Answer:
the cell membrane
Explanation: Cell membrane protects animals cells from harmful chemicals. Explanation: The cell membrane is a tough covering composed of the phospholipids and proteins and forms a bilayer around the cells
mrk me brainliest please
Answer:
Ummm....where are the answer choices????
Explanation:
Answer:
The role of increased blood flow
During moderate- to high-intensity exercise, your muscles and tissues demand more nutrients and oxygen, which means that your heart must work harder and pump faster to meet those needs, says preventive cardiologist Haitham Ahmed, MD.