Question

Answers please no explanation needed

What is the major function of the bones of the mammalian middle ear?

1. Amplify vibrations of the tympanic b) support the jaw articulation c)absorb photons

d) sense changes in position of head

What is the purpose of the villi & microvilli in the small intestine? ??

1. The villi and microvilli neutralize stomach acid b) The villi and microvilli activate trypsinogen c) The villi and microvilli increase the surface area to increase the efficiency of nutrient absorption d) The villi and microvilli emulsify lipid molecules

Which of the following is NOT a function of the kidneys?

a)all of these are functions of the kidney b) The kidneys regulate the levels of salt in the blood

c) The kidneys recapture water for use by the body d) The kidneys remove harmful substances from body

Answer 1

Answer to the first question is ​​​​first option. The main function of the auditory ossicles or the bones of the ear is to amplify the vibrations received from the tympanic membrane. This helps in the process of hearing.

Answer to the second question is option C. The purpose of villi and microvilli is to increase the surface area of the absorption of the nutrients.

Answer to the third question is option A. All the given options are the function of kindeys, they help in reabsorption of water, they remove harmful substances from the body and regulate the level of salts in blood.

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