Break down food
Absorve the nutrients
Take in the food
Answer:
Allows for the breathing in of oxygen. Removes carbon dioxide from the body.
Explanation:
When you inhale in you get oxygen from the air and it goes into your blood. Right at the same time carbon dioxide comes out of your blood into, goes into your lungs and gets exhaled.
The answer is D for this one
Answer:
Chromosomes are composed of DNA tightly-wound around histones.
Explanation: