Body Systems are...

• Groups of organs which work together to perform a specific job.

• locomotor system and circulatory system.

• those that allows us to move around from one place to another.

• all of them are incorrect.

Respiration is...

• a group of organs that perform breathing.

• is another way of saying breathing.

• is the air that we breath.

• all of them are incorrect.

The organs of the Respiratory system are...

• Mouth, nose, trachea and lungs.

• Mouth, nose, trachea, bronchi, lungs and diaphragm.

• Mouth , nose, trachea ,lungs and diaphragm.

• all of them are incorrect.

The diaphragm is...

• a muscle

• a bone

• a part of the lung.

When the diaphragm contracts...

• air is expelled from our lungs

• air is drawn into our lungs.

• all of them are correct.

• all of them are incorrect.

Bronchioles are...

• tiny air sacs

• all of them are incorrect.

• smaller tubes inside the lungs.

• all of them are correct.

Circulatory system is...

• a group of parts of the body.

• a group of organs that performs circulation.

• the blood and the heart.

• all of them are incorrect.

The organs of the Circulatory System are...

• the heart and the veins.

• the heart and the blood vessels.

• the heart and the arteries.

• the heart only.

The heart is...

• a muscle.

• a muscular organ.

• a bone.

• all of them are incorrect.

Arteries are...

• the smallest blood vessels.

• blood vessels that carry blood from the heart to the rest of organs.

• blood vessels that carry blood from the parts of the body to the heart.

• all of them are incorrect.