Matter is all the “stuff” that exists in the universe. It has both mass and volume. Mass measures the amount of matter in a substance or an object. The basic SI unit for mass is the kilogram (kg). Volume measures the amount of space that a substance or an object takes up.
Cell membrane- both
cell wall-plant
nucleus-animal
ribosomes-plant
chloroplasts-plant
mitochondria-both
The arteries get "hard" and absorb less systolic force
