THE RESPIRATORY SYSTEM

The tube that connects the throat and the bronchi.

• esophagus

• bronchioles

• vein     

• trachea

The tiny hairs that clean the air

• cilia

• pili

• hair

• vili

The many little branches of the respiratory system.

• bronchiole

• vein     

• esophagus

• trachea

The part of the respiratory system that is the voicebox.

• Thyroid

• larynx

• pharynx

• trachea

 The grape-like clusters of air sacs in the lungs.

• alveoli

• bead

• bronchioles

• cysts

What we breathe in.

• Nitrogen

• carbon dioxide

• oxygen

• carbon monoxide

What is function of the dome-shaped diaphragm?

•   This is where gas exchange happens.

• Air passes through the diaphragm on the way to the lungs,

• It attaches to the lungs to help in breathing.

• It is under the lungs and keeps them from falling down to your stomach.

It is a process where our lungs take in oxygen and expel carbon dioxide.

• Respiration

• circulation

• perspiration

• breathing

Which of the following is responsible for preventing food from entering the trachea?

• Glottis

• sphincter

• valves

• epiglottis

What do you call to a membrane that protects the lungs?

• Pleura

• viscera

• serosa

• mucosa