Answer:
tissue
Explanation:
a tissue is a group of cells that work together to perform a common function
Acetylcholine (ACh)
Acetylcholine is an organic chemical that functions in the brain and body of many types of animals as a neurotransmitter.
Answer: you can recognize a plant cell by its rigid cell wall and by the fact that it contains fluid filled space known as a vacuole.
Explanation: hope this helps!
D.many experimental trials with results that support the claims
More than 16 million Americans
