What are the primary functions of the respiratory system?
What will be an ideal response?
(1 ) Provide an extensive area for gas exchange between inhaled air and the circulation; (2 ) move air to and from the exchange surfaces of the lungs; (3 ) protect the respiratory surfaces from dehydration, temperature changes, and other environmental variations and defend the respiratory system and other tissues from invasion by pathogens; (4 ) produce sounds involved in speaking, singing, or nonverbal auditory communication; (5 ) direct incoming air to the olfactory epithelium in support of olfaction.
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Which are considered end arteries?
A. Epigastric and renal arteries B. Epigastric arteries C. Splenic arteries D. Renal and splenic arteries E. Renal arteries
Masses of gray matter within the central nervous system are
A) ganglia. B) columns. C) nuclei. D) commissures. E) horns.
After injuring her back, 22-year-old Tina exhibits a Babinski reflex. What does this imply about her injury?
What will be an ideal response?
Matthew has taken a "mental health day" from work. At this moment, the level or neurotransmitter released by the photoreceptors in his eyes is at maximum. What is Matthew likely doing right now?
A. Matthew is sound asleep in a very dark room. B. Matthew is in a quiet bookstore reading the newest issue of his favorite magazine. C. Matthew is at the beach enjoying a bright sunny day.