They help work together because when the heart pmps blood through the body and the cells flow through the blood non stop its like a barrier of protection
Answer: Density-dependent limiting factors
Answer:
has commercial uses
Explanation:
only anaerobic respiration. has commercial uses some exples would be the making of alcohol and yogurt
ingestion, propulsion, mechanical or physical digestion, chemical digestion, absorption, and defecation. The first of these processes, ingestion, refers to the entry of food into the alimentary canal through the mouth.
