Answer:
I would say B. digestive system.
Explanation:
The digestive system breaks down food and processes it into energy molecules that the body of an organism can use.
Hope this helps! :)
Answer:
A cell is the smallest unit of a living thing.
Explanation:
a.catalase
b.It plays important roles in host defense and oxidative biosynthetic reactions. In addition there is growing evidence that at low levels, H2O2 also functions as a signaling agent, particularly in higher organisms.
<h2>hope it helps.</h2><h2>stay safe healthy and happy..</h2>
