Delta can also be an easy answer plus it is easy to remember
Answer:
7.false 8.commensalism 9.last one
Explanation:
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.
Vitamin B12-- without it, it could be destroyed by the digestion process
It needs a C) host cell in order to reproduce
