Answer:
mucus
Explanation:
mucus is more out nose.insulin and bile for digestive system
Usually because they have already experienced a lot. Adults are good at giving advice.
It will help you.
And the answer is A. U.S. Government websites.
Concept 19 The DNA molecule is shaped like a twisted ladder. James Watson and Francis Crick solved the structure of DNA. Other scientists, like Rosalind Franklin and Maurice Wilkins, also contributed to this discovery.
