Circulatory and Respiratory Systems

Which 2 substances are exchanged in the Respiratory System?

• oxygen and nitrogen
• carbon dioxide and oxygen
• oxygen and glucose
• glucose and carbon dioxide

The windpipe is also known as which organ?

• Lung
• Trachea
• Alveoli
• Nose

Tubes that move air from the trachea to the lungs.

• Alveoli
• Bronchi
• Veins
• Arteries

Which part of the Respiratory System collects air from the environment & heats/moistens the air before entering the body?

• lungs
• nose
• heart
• brain

You can inhale through your ... (choose all that apply)

• nose

• skin

• ears

• mouth

This is a gas our cells need to survive.

• helium

• carbon dioxide

• oxygen

• nitrogen

Parts of the respiratory system, check all that apply.

• trachea

• esophagus

• nasal cavity

• lungs

• skin

What is the main function of the circulatory system?

• secrete enzymes

• digest proteins

• produce hormones

• transport materials

The human body has specialized cells, such as white blood cells, to help protect it from many diseases. Describe what these specialized cells do to protect the body from the disease.

• they carry oxygen

• they fight and destroy germs

• they give blood its color

• they clot when we get a cut

The circulatory system consists of what three parts?

• Heart

• Brain

• Blood

• Blood vessels

• Liver