In alimentary canal, food get digested by the action of many enzymes secreted by various glands including Liver, Pancreas and salivary glands....
Flight; fight
The sympathetic is used to speed things up, stopping things like digestion in order to supply more blood to the heart and lungs, while the parasympathetic does the opposite; digesting food and working on internal things while the heart rate and breathing rate slow.
A. Ancestors of whales may once have been able to walk.
We have -
Puma
Mountain lion
Bobcat.
ETC.
