Difficulty in swallowing can be found in a patient with damaged cranial nerve IX or glossopharyngeal nerve. The nerve is located in brain stem near the other cranial nerve. Glossopharyngeal nerve has a role in the sensory and motoric of the pharynx and tongue/glosus. Other cranial nerves like nervus V(trigeminal), X(vagus) and XII(hypoglossal) also have a few role in pharyngeal phase of swallowing.
Answer:
Gravity is the force that keeps us standing. It keeps us from floating, like you do when you are in space, away from gravity.
Tidal Force - The tidal force is a force that stretches a body towards and away from the center of mass of another body due to a gradient (difference in strength) in gravitational field from the other body
Hopefully this helps!!! ;)
Neurotransmitters are intracellular messengers that mediate transmission of impulses in the nerve cells whereas hormones regulates the functioning of various body organs. Norepinephrine and epinephrine are both hormones and neurotransmitters since they transmit impulses and at the same time regulate activity of organs in the body.
D. Artificial selection means that it doesn’t happen naturally, many dogs breeds exist because of artificial selection
This is the first one. Sorry I couldn’t do the other ones, because I’m in class... yikes
