Question

Summarize the functions of the nervous system.(1 point)
Responses

The nervous system controls the circulatory system by sending signals to the lungs, telling them to expand and inhale oxygen.
The nervous system controls the circulatory system by sending signals to the lungs, telling them to expand and inhale oxygen.

The nervous system controls the digestive system by sending signals to the stomach, telling it to contract and digest food.
The nervous system controls the digestive system by sending signals to the stomach, telling it to contract and digest food.

The nervous system controls the respiratory system by sending signals to the muscles, telling them to flex and move limbs.
The nervous system controls the respiratory system by sending signals to the muscles, telling them to flex and move limbs.

The nervous system controls the muscular system by sending signals to the blood, telling it to move throughout the body.

Answer 1

The correct response is the second one: "The nervous system controls the digestive system by sending signals to the stomach, telling it to contract and digest food."

Explanation (brief):
- #1 is wrong: lungs are part of the respiratory system, not the circulatory system.
- #3 is wrong: sending signals to muscles to move limbs relates to the muscular system, not the respiratory system.
- #4 is wrong: the nervous system sends signals to muscles to contract; it does not send signals to blood to make it move.