Answer:
Common to all plant species, the cell wall is the tough outer coat that protects the plant cell. The cell wall is mostly carbohydrate‐based, comprising three major classes of polysaccharides: cellulose, hemicellulose and pectin. There are also important structural proteins as well as phenolic and aliphatic polymers.
Explanation:
Answer:
Neuroplasticity or brainplasticity
Explanation:
Brain plasticity is the ability of the brain to modify its connections or re-wire itself. .
Answer:
the answer is A...Im not 100% sure though
Answer: Inside the air sacs, oxygen moves across paper-thin walls to tiny blood vessels called capillaries and into your blood.
Explanation: A protein called hemoglobin in the red blood cells then carries the oxygen around your body.