True hope it helps have a good day
Answer:
In photosynthesis, solar energy is harvested as chemical energy in a process that converts water and carbon dioxide to glucose. Oxygen is released as a byproduct. In cellular respiration, oxygen is used to break down glucose, releasing chemical energy and heat in the process
Explanation:
product, whereas cellular respiration uses oxygen as a reactant to release energy from food
last line of defense is the first part.
and the defense is part of her system immunity. this makes sense since the immune system is used to guard against viruses and diseases