Answer:
A. Central nervous system
Explanation:
Dopamine is a neurotransmitter which plays the role of sending signals to the part of the brain that is responsible for movement and coordination.
When the dopamine levels are low , the individual isn’t able to move well and loses coordination because of the little or absence of signals to the part of the brain that controls these aspects.
To avoid unexpected pregnancies
Answer: 1. There are three main types of conjunctivitis: allergic, infectious, and chemical.
2. Brush twice a day, Use fluoride toothpaste, and Floss.
Answer:
reproductive and endocrine
Explanation:
endocrine because ovaries secrete hormones directly into the blood.
reproductive because they produce egg cells for fertilization
