The Respiratory and the Circulatory Systems

The Respiratory System

Multiple Choice

What is the function of our Respiratory System?

• Obtains and distributes oxygen for our bodies.

• Distributes oxygen and nutrients to different parts of the body.

Multiple Choice

We inhale oxygen through...

• our fingers and toes.

• our mouth or nostrils.

Multiple Choice

What is the name of the two (2) tubes at the end of the trachea?

• pharynx

• bronchi, which are divided in tubes called bronchioles

Multiple Choice

What are the primary organs of the respiratory system?

• the veins.

• the lungs.

Multiple Choice

What do you expel when you exhale?

• oxygen

• carbon dioxide

The Circulatory System

Multiple Choice

What is the function of our Circulatory System?

• Obtains and distributes oxygen for our bodies.

• Distributes oxygen and nutrients to different parts of the body.

Multiple Choice

What is the center of the circulatory system?

• the lungs.

• the heart.

Multiple Choice

Which are the main blood vessels?

• the bronchi and bronchioles

• the veins and arteries

Multiple Choice

Carry blood full of oxygen from the heart to different parts of the body...

• Veins

• Arteries

Multiple Choice

Bring blood full of carbon dioxide waste back from different parts of the body to the heart...

• Veins

• Arteries

From the heart, carbon dioxide goes to the lungs, which remove the carbon dioxide from the body.