Answer:
The liver
Explanation:
Liver is the largest gland in the human body.
D. No, rehabilitation is more for rebuilding muscle.
Sign language. It uses only signs made with your hands. You do not have to hear to understand it.
Most generally speaking, the arrows in the food webs/chains represent the flow of energy.
Most typically, the energy will flow from the Sun to the plants, and then those plants are eaten and when they are eaten the energy flows from the plants to whatever animal ate them.