At sea level, atmospheric PO2 is about 760 mmHg.
Answer the following statement true (T) or false (F)
False
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The vestibulocochlear nerve passes through which of the following openings?
A. External acoustic meatus B. Internal acoustic meatus C. Foramen ovale D. Foramen rotundum E. Carotid canal
Cleavage involves a series of ________ divisions and __________ in the overall size of the conceptus
A. meiotic; an increase B. meiotic; no change C. meiotic; a decrease D. mitotic; no change E. mitotic; an increase
Your studies of the neuromuscular junction reveal that the excitatory neurotransmitter opens a channel permeable to all three cations. Calculate the equilibrium potential for each cation. In which direction will each cation move when the channel is open? Does movement of ions promote muscle depolarization? Explain your answer.
What will be an ideal response?
During the BIOPAC activity, why did the subject's heart rate increase after exercise?
A) The body needs to increase its number of red blood cells. B) The body needs to have stronger muscle contractions. C) The body has a greater demand for oxygen. D) The body has a lower demand for nutrients.