Stimulants are often called "uppers".
Abiotic are the nonliving things in an ecosystem such as climate and soil type.
Answer:
These include fostering healthy and responsible behaviours; promoting equitable and mutually respectful and responsible gender relations; increasing reproductive choice especially for women; increasing male responsibility in reproductive health; meeting the information, education and aervuce needs of women.
Explanation:
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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.
