The asnwer is Angiosperms
Answer:
Activation energy releases in the acidic matrix (pH 1-3). Thanks to stomach lining cells obtaining of acid environment is possible and pepsinogen is transferred to pepsin. Consuming of acid neutralizing antacid affects activation of pepsin by alkalizing stomach environment and reduction of hydrochloric acid secreting.
Explanation:
hope this was helpful
I believe it’s immune system