Which of the following nutrients yield the highest amount of energy per gram when metabolized?
A) vitamins and minerals
B) proteins
C) foods and beverages high in caffeine
D) fats
D
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An important function of the spleen is to destroy and remove worn out red blood cells
? Indicate whether the statement is true or false
The striations in striated muscle correspond with actual molecular structures. Which of the following is the H band?
A) a band where only actin myofilaments are found B) a band where only myosin myofilaments are found C) an attachment point for actin myofilaments D) an attachment point for myosin myofilaments
In order to get energy (ATP) from food molecules in the final stage of respiration, humans require _____
A. carbon dioxide B. oxygen C. sodium
Muscle spindles
A. are innervated by gamma motor neurons. B. originate in the spinal cord. C. are specialized nerve cells. D. are found encapsulated in nerve endings. E. are innervated by alpha motor neurons.