Question 1

How does the process of digestion in our body happen?

Accepted Answer

The nervous system sends signals to smooth muscles to digest food.

Answer

The digestive system works independently.

Answer

Water helps the food in digestion as both enters the mouth.

Answer

Muscles and bones move to digest the food.

Question 2

How does the nervous system help the lungs to take in oxygen and remove carbon dioxide from the body?

Accepted Answer

It sends message to the muscles of the diaphragm to contract as air rushes in and relaxes as it goes out.

Answer

It delivers information to the arteries to let the exchange of gases takes place.

Answer

It commands the muscles of the mouth to open for the air to rush in.

Answer

It tells the heart to pump and let the oxygen mixes with the blood.

Question 3

What important function does the nervous system do for the circulatory system?

Accepted Answer

It regulates the number of times the heart beats.

Answer

It maintains the red color of the blood.

Answer

It makes the heart tough and strong.

Answer

It allows the smooth flow of blood in the blood vessels.

Question 4

Why do we drop the bowl of soup when we feel that it is hot?

Accepted Answer

It’s a reflex action of the body to prevent injury.

Answer

Oil in the palm makes hot objects slipped easily.

Answer

Muscles and bones sometimes do not coordinate to hold an object.

Answer

The skin cannot resist the pain that is why you dropped it.

Question 5

Which of the following shows how the nervous system regulates body temperature?

Accepted Answer

Nerves activate the sweat glands to release water and cool the body.

Answer

The nerve cells travel under the skin to cool it down.

Answer

The brain tells the skin to trap the water in to feel cool.

Answer

The spinal cord produces water and send it to the skin.

Related quizzes