Maybe you should tell him to go to a doctor or tell him to see a Psychiatrist.
<span>Just like we need nutrients in our diet, plants need nutrients like molybdenum and nickel. They absorb these nutrients through their roots that are deeply embedded within the soil. A deficiency in this basic nutrients would result to stunting the growth of plants and its overall capacity to survive and thrive within its environment.
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Answer:
b. It keeps alveoli from collapsing with breaths.
Explanation:
Surfactants are highly surface active agents which are formed from a protein and lipid complex. It comprises of a hydrophobic and hydrophilic portion and its sole purpose is to control the tension at the air-liquid interface and thereby lower the surface tension. Surfactants are produced by the type II aveolar pneumocytes in the lungs.
Surfactants are needed in order to aid breathing and prevent straining oneself, it also prevents the lungs from collapsing during breathing, a term known as atelectasis.
20% falls into a normal BMI range
