Answer: Exhaled air consists of 78 percent nitrogen, 16 percent oxygen, 4 percent carbon dioxide and potentially thousands of other compounds.
Explanation: Does this help???
Communicable Diseases are illnesses which are caused by pathogens or microorganisms, e.g virus and bacteria, that are transmitted from one person or animal to another in different ways. It can spread through contact of body fluids or blood, sexual contact, contaminated food and water, or through air.
With the advancement of medical science, different ways of controlling communicable diseases have emerged throughout the centuries and have been proven to lessen the mortality rate as time passed.
One is the development of Immunization. Immunization; to make one's body immune to a certain disease so it will be easier for the body to combat with the pathogens in contact with it. Until now, production of Immunization is still being updated depending upon the diseases that are currently affecting the majority. The development of immunization has given medical science, then and now, a very big impact in controlling diseases. How does it work? Immunization boosts the body's natural immunity whenever microorganisms enter the body. The body identifies these microorganisms as foreign elements, thus releasing certain kinds of cells to help fight off the infection.
Answer:
It develops when the immune system overreacts to a drug, dust, and ect.
Answer:
"My child sleeps between 11 and 12 hours a night."
Explanation:
Sleep is extremely important for the child as it is during sleep that complex neurophysiological processes occur that determine the production of substances eg growth hormone that stimulates the development of muscle mass, promotes bone stretching, decreased fat accumulation , improves physical performance and activates the immune system.
Sleep time may vary with age, personality and family dynamics. But in general, children from 1 to 3 years sleep between 12 and 14 hours daily, the afternoon sleep between 1 and 2 hours. Between 3 and 5 years is 11 to 12 hours daily. By age 4 most children no longer sleep during the day. From 6 to 12 years old, children are of school age and it is recommended that they sleep between 10 and 11 hours.
