B. are affectionate and trusting of each other
Answer:
Explanation:Fever* or feeling feverish/chills.
Cough.
Sore throat.
Runny or stuffy nose.
Muscle or body aches.
Headaches.
Fatigue (tiredness)
Some people may have vomiting and diarrhea, though this is more common in children than adults.
If it is Gushing make sure you Cut off Mild circulation.. If not bad apply right medicine
Hope this helps :)
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.
