Answer:
circulatory
Explanation:
Heart is only responsible for generating the pumping force needed to supply blood to each and every corner of the body. As heart is part of circulatory system. The answer is Circulatory system.
Answer:
the DNA, chromosome, and gene can all be similar in some way
Electron transport trains create a concentration gradient of hydrogen ions outside the mitochondria and fewer inside the mitochondria and creates energy(ATP) by diffusing the hydrogen ions back in
Banana peels can be decomposed by bacterial action, so they are biodegradable.
