Answer:
D i believe.
Explanation:
niche= the match of a species to a specific environmental condition
The answer is the moon because it’s closer than any other celestial body.
The heart and the arteries of a person, both contracts to pump the blood throughout the body. The aorta, which is the largest artery of the human body, pumps the blood from the heart to the entire body of a person. The oxygen-rich blood is pumped out of the left ventricle when its contraction into the aorta, from where it is transported to the whole body.
Hence, the given statement is true.
