Answer:
Viruses are <u>non - living things</u> that can only survive and reproduce by infecting living cells.
<u>Host</u> is an organism that shelters and nourishes others.
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Answer:
<em>The pulmonary artery channels oxygen-poor blood from the right ventricle into the lungs, where oxygen enters the bloodstream. The pulmonary veins bring oxygen-rich blood to the left atrium. The aorta channels oxygen-rich blood to the body from the left ventricle.</em>
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Answer:
A
Explanation:
The N (2.2 N) is Newton. Newton is weight.
Yes all organisms display cellular respiration.
Polysaccarids is what its called not sure if spelled right