science respiratory system exam review

Question 1

what is the respiratory system?

Answer 1

providing oxygen to the cells of the body and for removing carbon dioxide

Question 2

what is the function of the nose/mouth?

Answer 2

passage way for air to enter and exit

Question 3

what is the function of the pharynx (throat)?

Answer 3

helps you to breathe and digest food

Question 4

what is the function of the larynx (voice box)?

Answer 4

as air moves through the vocal chords, they vibrate and produce the sound of your voice

Question 5

what is the function of the trachea?

Answer 5

goblet cells. produces mucus and has cilia

Question 6

what is the function of the bronchi?

Answer 6

delivers air to the lungs

Question 7

what is the function of the bronchioles?

Answer 7

moving/pushing air to the end

Question 8

what is the function of the alveoli/capillaries?

Answer 8

site of gas exchange. the alveoli are covered in tiny blood vessels known as capillaries so oxygen can move into the bloodstream and be carried around the body

Question 9

what is inhalation?

Answer 9

volume of the lungs increases, the rib cage expands and the diaphragm flattens

Question 10

what is exhalation?

Answer 10

volume of the lungs decreases, muscles relax and the diaphragm becomes dome-shaped decreasing the volume of the lungs to push air out