Explanation:
sensory so hard but I will try
In my opinion I think it is.
Answer:
<em>In the lungs, the blood receives oxygen then leaves through the pulmonary veins. It returns to the heart and enters the left </em><em>atrium</em><em>.</em>
Answer: Nerve cell
Cells of the nervous system, called nerve cells or neurons, are specialized to carry "messages" through an electrochemical process.
Answer:
B. C-G and A-T
Explanation:
The pairings are adenine and thymine and cytosine and guanine
