Respiratory, digestive and cardiovascular system

Where does oxygen go once it enters the lungs?

What is the main organ in the circulatory system?

• lungs

• heart

• artery

• bronchi

What is the main organ in the respiratory system?

• lungs

• heart

• vein

• diaphragm

Which body system is shown here?

• circulatory system

• respiratory system

Which body system is shown here?

• circulatory system

• respiratory system

What are the functions of the circulatory system?

Select ALL that apply.

• carries oxygen and nutrients to cells

• carries waste away from cells

• works with respiratory system to provide oxygen and get rid of wastes

• removes CO2 and H2O when you exhale

Where do arteries carry blood so it can be cleaned of carbon dioxide?

• the kidneys

• the lungs

• the heart

• the stomach

What is the scientific name for the windpipe?

• bronchial

• esophagus

• trachea

• alveoli

Where is carbon dioxide and oxygen exchanged in the lungs?

• alveoli

• villi

• nephrons

• urethrae

What is responsible for transporting oxygen and carbon dioxide around the body?

• White blood Cells

• Platelets

• Red Blood Cells

• Plasma