Answer:
hope it helped
Explanation:
Acetylcholine is a chemical messenger, or neurotransmitter, that plays an important role in brain and muscle function. Imbalances in acetylcholine are linked with chronic conditions, such as Alzheimer's disease and Parkinson's disease. Acetylcholine was the first neurotransmitter discovered
Answer:
a.
Explanation:
It decreases from the aorta to the vena cava.
Answer:
To protect the patient and health care personnel from infection. To reduce infections and find out how they started.
Explanation:
