Valves, they are like flaps of muscle that keeps the blood in its place util its ready to be pumped along.
Answer:
How do you put a giraffe into the fridge
How do you put an elephant into the fridge
Explanation:
It is a process that causes rock to break into little pieces.
Answer:
correct
Explanation:
Your lungs are part of the respiratory system, a group of organs and tissues that work together to help you breathe. The respiratory system's main job is to move fresh air into your body while removing waste gases.
I believe the answer is : deoxyribose
hope this helps !