Which of the following is NOT a function of skeletal muscles?
A. Keep blood moving in veins and lymphatics
B. Move food through the GI tract
C. Generate heat
D. Maintain posture
Answer: B
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Select the correct statement about isotopes
A) All the isotopes of an element have the same number of neutrons but differing numbers of electrons. B) Isotopes of the same element have the same atomic number but differ in their mass number. C) All the isotopes of an element are radioactive. D) Isotopes occur only in the heavier elements.
Cortisol exerts __________ and immunosuppressive effects to help hold immune system responses in a check-and-balance fashion
Fill in the blank(s) with correct word
____________________ are hormones derived from cholesterol
Fill in the blank(s) with correct word
A neuron that synapses in the adrenal medulla is a ________ neuron, and releases the neurotransmitter ________.
A. preganglionic; norepinephrine (NE) B. postganglionic; norepinephrine (NE) C. somatic; norepinephrine (NE) D. postganglionic; acetylcholine (ACh) E. preganglionic; acetylcholine (ACh)