Respiratory System Review Part 1

The pull of air into and back out of the body is called ______.

• trachea

• diaphragm

• inhaling

• breathing

____________ is the act of breathing oxygen in and breathing carbon dioxide out.

• exhaling

• inhaling

• respiration

• lungs

Which of the following is NOT part of the respiratory system?

• lungs

• nose

• heart

• trachea

The function of the respiratory system is __________.

• To move blood around the body

• allow us to breathe

• support the body

• to send signals from the brain to body parts

Why does your body need oxygen?

• cells need it to perform their functions

• secretes hormones in the blood

• help body fight infection

• break down food

The waste gas ________ is removed from your body during breathing.

• oxygen

• helium

• blood

• carbon dioxide

Air that you breathe moves over your vocal cords creating __________.

• capillaries

• respiration

• sound

• cilia

How does air enter the respiratory system?

• trachea & alveoli

• nose & mouth

• bronchi & bronchioles

• windpipe & vocal cords

The _______ is a hollow organ that connects the throat to the trachea and holds our vocal cords.

• larynx

• lungs

• windpipe

• bronchi

What is another name for the body part often called the "voice box"?

• trachea

• larynx

• bronchi

• lungs