The main function of the respiratory system is to allow the exchange of gases between the atmosphere and the lungs.
Hence,the only structure that carries out this function is the alveoli as other structures such as the nose,trachea and pharynx transport gases to the alveoli just so that it can can out its function.
Sometimes Loud music has an affect on hearing because it depends on how much you clean your ears. The wax in your ear is a lipid which is a thick oil that protects your ear drum
Answer:
A
Explanation:
Options B,C, and D wouldn't work because they include multi-cellular organisms. These organisms are fungi, plants, and animals that have billions of cells within them. Thus, the most probable answer would be A since many bacteria are single celled.
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Answer:
The correct answer is be C, Peds.
Explanation:
A pediatrician is a doctor who is specialized to treat children
These are the nitrogenous bases in a nucleotide. There are four, which you mentioned in the problem: adenine, thymine, guanine, and cytosine.
The other two parts of a nucleotide make up he backbone: sugar, deoxyribose (DNA=DEOXYRIBOnucleic acid) and the phosphate group.
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