Briefly explain the role of the sympathetic nervous system in maintaining homeostasis
What will be an ideal response?
The sympathetic nervous system, or "fight or flight" division of the ANS, is responsible for preparing the body for emergency situations and physical activity. It is active when we experience emotion, or even during minor physical activities such as standing up.
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The membrane potential that exists when the concentration and electrical gradients for a given ion exactly counterbalance each other is known as the ____________________
Fill in the blank(s) with correct word
All of the following are effects of calcitonin EXCEPT ________
A) decreases in blood calcium levels B) increases in blood calcium levels C) Stimulation of osteoblasts to store calcium D) inhibition of osteoclasts
Continuous conduction of a nerve impulse occurs only along
A. myelinated axons. B. axons in the PNS. C. dendrites. D. axons in the CNS. E. unmyelinated axons.
Which of the following extends from the urinary bladder to an external opening?
A. Trigone B. Urethra C. Ureters D. Hilum