The answer is not D! DNA or deoxyribonucleic acid, is what makes up our composition! DNA determines a trait such as eye color, or hair color because it codes for proteins that determine these traits.
Answer:
true
Explanation:
You block your sense of smell so you wont smell the odor on each one
Each one is correct except d
our thyroid glands plays a main role in a human body. It secretes thyroxine and calcitonin. In which thyroxine help in growth and cellular metabolism and calcitonin helps to regulates calcium concentration in blood . If thyroid gland stops working then there is low level of calcium in our blood, which leads to mental and hormonal disorder. In this way a person's blood calcium level would be affected if his/her thyroid gland stops working.