A. Helps in the sense of taste.
B. helps in cell growth development.
C. functions in the production of DNA.
D. regulates the heartbeat.
The answer is, A.
Answer:
8% will be thymine
Explanation:I have a nursing book I looked it up
Integumentary system, skeletal system, muscular system, lymphatic system, respiratory system, digestive system, nervous system, endocrine system, cardiovascular system, urinary system, and reproductive systems