Hémoglobin =other name for blood
Light lets plants grow for the animals eat them
temperature lets the animals know when they have to hibernate or come out and hunt
i think soil composition helps the animals to get new types of food or lets them get water ?
limbic system
Explanation:
center of emotional processing is the amygdala
One organic waste that is not found in urine is called Bicarbonate Ions
Im not quite sure, but i believe its B. Acinar Cells_digesting carbohydrates
