Which pancreatic cells release insulin and glucagon?
A) pancreatic islets B) chromaffin cells C) acinar cells D) chief cells
Answer: A) pancreatic islets
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Fast-oxidative (type IIa) fibers
a. contain very few mitochondria b. can be converted into fast-glycolytic fibers by regular resistance activities c. are most abundant in muscles specialized for maintaining low-intensity contractions for long periods of time without fatigue d. have characteristics b and c e. have none of the above characteristics
Where is olfaction perceived in the brain?
A) temporal lobe B) frontal lobe C) parietal lobe D) occipital lobe
Carbon dioxide ________ oxygen unloading and oxygen unloading ________ carbon dioxide transport.
A. increases; worsens B. decreases; improves C. increases; improves D. decreases; worsens
Astrocytes produce myelin for the cells of the central nervous system.
Indicate whether the statement is true or false.