Soil, water and food are all nonliving reservoirs of infection
Ummmmmmmmmm..... chewing?
Answer:
The mechanism by which organisms use oxygen to break down food molecules in order to obtain chemical energy for cell functions is known as cellular respiration. In the absence of oxygen, cells can generate energy by fermenting food, a mechanism known as anaerobic respiration.
Explanation:
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Answer:
1
Explanation:
An organ is a structure that is composed of at least two or more tissue types and performs a specific set of functions for the body.
