C) they are both transport systems.
Answer:
regulates the menstrual cycle
Explanation:
The other 2 answers are apart of the reproductive system
Retina allows the eye to regulate how much lint can enter.
The answer is D - cellular respiration <span />
Answer:
The ratios of thymine and adenine were similar, as were the ratios of guanine and cytosine.
Explanation:
deoxyribose + phosphate group + thymine
