Answer:
structure helps stabilize the position of the attached heme
<span>Most reflex arcs involve only three neurons. The stimulus, such as a needle stick, stimulates the pain receptors of the skin, which initiate an impulse in a sensory neuron. This travels to the spinal cord where it passes, by means of a synapse, to a connecting neuron called the relay neuron situated in the spinal cord.</span>
Answer: The human heart is an organ that pumps blood throughout the body via the circulatory system, supplying oxygen and nutrients to the tissues and removing carbon dioxide and other wastes.
Explanation:
Hello Mlevintova, <span>Who first proposed the principle of the heliocentric theory, </span>Aristarchus of Samos was an ancient Greek astronomer and
mathematician who presented the first known model that placed the Sun at
the center of the known universe with the Earth revolving around it.
I'm going to say the fact that the animal cells you know, is supposed to have nucleoids but I could be wrong since you never gave us a diagram