Identify the region of the colon.
sigmoid colon
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Extracellular fluids have relatively
A. high sodium and high potassium ion concentrations. B. low sodium and low potassium ion concentrations. C. low sodium and high potassium ion concentrations. D. high sodium and low potassium ion concentrations.
Just before ovulation, estrogen levels drop
Indicate whether the statement is true or false.
If a muscle cell expressed muscarinic ACh channels, which are only permeable to Na+ instead of nicotinic ACh channels, which are permeable to both Na+ and K+, which portion of a muscle cell would be inhibited?
A. Relaxation B. Muscle cell depolarization C. Cross-bridge cycling D. Neurotransmitter release from the motor neuron E. None of the answer choices are correct
Which of the following is NOT a cell type found in taste buds?
A. Basal cells B. Taste cells C. Mitral cells D. Supporting cells