1. SI,
2. Number 10.
I'm pretty sure it's that, I just did something related to that.
Answer:
B)an amine group, a functional R group, and a carboxyl group
Explanation:
There are few donor lungs available.<span>In 2010, about 1,800 lung transplants were performed in the United States.
Brainliest please?</span>
It is an example of a withdrawal reflex.