Answer:
Branch of science concerned with the chemical and physicochemical processes and substances that occur within living organisms.
Answer:
Democritus
Explanation:
He spoke about matter was made of tiny particles which moved in empty space
Sled going down is in motion
Sled hitting rock is unbalanced
He flew because the of the sudden stop threw them off
Answer: They digest excess or worn out organelles, food particles, and engulfed viruses or bacteria.
Explanation: