The human digestive system secretes numerous chemicals that break down organic material. what are three of the safeguards that prevent us from digesting our own tissues? ?

What is a universal way that predation benefits the predator? predation increases mate availability. predation in defense of space. the predator gets the energy it needs to survive. the predator keeps parasites from hurting the species.

Building glycogen from glucose molecules is an example of what

Is there any solid scientific evidence that humans have been cloned?