300cm per hour
5cm per minute
3 meters per hour
Oxygen is needed for the heart to oxygenate blood.
The inner layer of the stomach is full of wrinkles known as rugae (or gastric folds). Rugae both allow the stomach to stretch in order to accommodate large meals and help to grip and move food during digestion.
I am not sure but I think that endoplasmic reticulum is the right answer. Hope this will help.
