Answer:
Amygdalin
Explanation:
Amygdalin is a compound present in the apple seeds which contains sugar macromolecule and cyanide. When Amygdalin broken down by the action of enzymes, the sugar part is removed and only cyanide left which decomposes and produces poisonous gas of hydrogen cyanide. This is only be done if the animals crushed the apple seeds while eating apple.
The answer would be Food being digested in the stomach. Homeostasis is the process the body does to regulate bodily functions.