C. <span>continue to divide even when they are tightly packed together.
Hope this helps(;</span>
Frog's heart<span> has one ventricle, while humans have 2, hence deoxygenated blood from body mixes with the oxygenated blood coming from lungs.
Source: S</span><span>ocratic</span>
The structural organization of autonomic nervous system or ANS is different from somatic nervous system or SNS.
In the ANS, the motor neurons of the central nervous system do not directly control visceral effectors. They synapse with visceral motor neurons or preganglionic neurons in ganglia, and the ganglionic neurons control the visceral effectors.
Welp you have to show the model...
Answer:
A. What causes some people to be color-blind?
Explanation:
This is something that could be tested with different variables including DNA, or past family medical history.