What part did you need help understanding? Your definition is pretty strong- the epiglottis keeps food from entering the trachea and lungs. It also opens during breathing to allow air into the lungs. Good luck on your test, let me know if you need anymore refreshers!
The products for photosynthesis are sugar (C6H12O6) + oxygen (6O2)
listen I'm only in 5th grade it's not know the answer to this how are you supposed to just be asking question like this what is this even meaning