Answer:First aid training programs generally focus on one aspect of first aid care, such as wilderness first aid or training for professional emergency responders. First aid training programs are available from organizations such as the American Red Cross and National Safety Council, as
Explanation:
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Answer:
D his or her muscles
Explanation:
Physiology is a branch in biology that deals mainly with he functions of the living sorts of an individual.
Therefore, a person's muscles is most clearly part of a person's physiology.
