Question

Which of the following provides the best example of the parts of a system working together to achieve a specific function?

A. Red blood cells are capable of transporting oxygen because of their chemical composition.
B. Glands in the mouth, the stomach, the pancreas, and the small intestine all secrete chemicals that break down nutrients.
C. Specialized cells in a plant's leaf open and close in response to changing conditions

Answer 1

I believe that it’s B

Answer 2

B

Step-by-step explanation:

The separate glands are helping to break down nutrients