<em>Hello Kirenya, I recommend going to the link below. It is from Colgate so it should help you a lot. I hope this helps and if you need more help just ask. Have a nice day!</em>
<em>Link: https://www.colgate.com/en-us/oral-health/conditions/gum-disease/bleeding-gums-and-other-warning-signs-of-gingivitis-0513?gclid=CjwKCAjwza_mBRBTEiwASDWVvo_et869pPrZ0jvugs8GD6j_fJPu_siate7cRUMEDaA8LGRPKvyIIBoClj0QAvD_BwE&gclsrc=aw.ds&</em>
First question: No
Second question: Yes
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.
Answer:
B- can reduce pain and recovery time
Explanation: