Answer:
keratin
Your nails are made of keratin
Keratin is a type of protein that forms the cells that make up the tissue in nails and other parts of your body.
Explanation:
Answer: A
Explanation: the taking the quiz
Answer:Chyme is the name given to the partially digested food mass. The pyloric sphincter is a tight valve, and, therefore, very little chyme is allowed to exit the stomach at one time.
Explanation: