Answer:
The answers are letters A, D, F, G.
Explanation:
The true statements about PNS are:
a. Stimulating the organs of digestion is a parasympathetic response.
d. Parasympathetic nerves are associated with the cranial and sacral regions of the spinal cord, whereas sympathetic nerves are associated with the thoracic and lumbar regions.
f. Neurons in the parasympathetic division release neurotransmitters that act on receptors that slow heart rate.
g. The sympathetic division of the PNS prepares the body for physical exertion in stressful situations.
An electron Microscope...................
B. the activity keeps blood levels of ammonia within a certain low range that the body can tolerate
Hormones can be divided into three classes. lipid-derived, amino acid-derived, and peptide (peptide and proteins) hormones. Cholesterol is a fat and fats are lipids. They fall into the protein and lipid category.
<span>The number of snowshoe rabbits would decrease, and the number of foxes would decrease.</span>