The axon hillock occurs in between the cell body and axon of a neuron
Indicate whether the statement is true or false
T
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Answer the following statements true (T) or false (F)
1. ?-adrenergic receptors are the only receptors found on the heart. 2. Autonomic reflex centers occur in the spinal cord, medulla, and midbrain. 3. Cranial nerves III, VII, and IX supply the entire parasympathetic innervation of the head; however, only the preganglionic fibers lie within these three pairs of cranial nerves. 4. Because parasympathetic fibers never run in spinal nerves, rami communicantes are associated only with the sympathetic division. 5. Rami communicantes are designated white or grey to indicate whether or not the fibers passing through them are myelinated.
A person who is colorblind lacks
A) corneas. B) retinas. C) one type of photopigment. D) a gene that encodes the proteins in rod cells.
The place where the proximal convoluted tubule and afferent arteriole are adjacent to each other is called the juxtaglomerular apparatus.
Answer the following statement true (T) or false (F)
What mechanism causes the movement water and solutes through the filtration membrane in the nephron?
A) Simple diffusion B) Hydrostatic pressure C) Osmotic pressure D) Pinocytosis