body systems: circulatory and respiratory

What is the main function of the respiratory system?

• to provide oxygen and remove carbon dioxide from the body

• o break down food and absorb nutrients

• to remove oxygen from the body and deliver carbon dioxide

When you breathe, your lungs take in ___ and remove ___. 

• air/oxygen
• oxygen/carbon dioxide 
• carbon dioxide/waste 
• waste/air 

The air sacs that are covered with capillaries where gas exchange takes place

• bronchi
• lungs
• bronchioles

• alveoli

Flap of tissue that covers the opening to the windpipe during swallowing

• Pharynx

• Trachea

• Epiglottis

• Larynx

What type of cells carry oxygen in the blood?

• red blood cells

• white blood cells

• platelets

• plasma

Number 6 is pointing to which organ of the Respiratory System

• Nasal Passage

• Pharynx

• Diaphragm
• Bronchi Tube

Numbers 5 and 9 are pointing to which organ of the Respiratory System?

• Bronchi Tubes
• Lung
• Alveoli
• Trachea

The windpipe is also known as which organ?

• Larynx

• Trachea
• Bronchioles

• Bronchus

Number 11 is pointing to which organ of the Respiratory System?

• Alveoli
• Lungs
• Bronchi Tubes
• Bronchioles

Two short tubes that carry air into the lungs

• Trachea
• Bronchioles
• Lungs
• Bronchi