respiration and the respiratory system

Question 1

respiration

Answer 1

chemical reactions in cells to release energy

Question 2

respiratory system

Answer 2

takes air in and out of the body to provide oxygen for cellular respiration and to remove carbon dioxide

Question 3

function of the nasal cavity

Answer 3

where air is warmed, cleaned and moistened and hair, mucus and cilia help trap particles in the air

Question 4

function of the epiglottis

Answer 4

prevents food entering the trachea when we swallow

Question 5

function of the pharynx

Answer 5

back of mouth: connects nose, mouth, larynx and oesophagus

Question 6

function of the larynx

Answer 6

cartlidge, muscle, soft tissue (contain voice box

Question 7

function of the trachea

Answer 7

thin walled tube reinforced cartlidge rings to prevent collapse

Question 8

function of the intercostal muscles

Answer 8

muscles between the ribs that move the rib cage up and down when you breathe

Question 9

function of the diaphragm

Answer 9

floor of the chest cavity that contracts and flattens when you breathe in to make room for the lungs to enlarge and relaxes into a dome on exhalation

Question 10

function of the bronchi

Answer 10

tubes that from the trachea- one to each lung to distribute air

Question 11

bronchioles

Answer 11

divisions of smaller tubes deep in the lung

Question 12

alveoli

Answer 12

clusters of air sacs deep in the lungs, create a large surface area for gas exchange between lungs and bloodstream

Question 13

equation for cellular respiration

Answer 13

oxygen+glucose-carbon dioxide+O2+C6H12O6+energy (ATP)

Question 14

what is gas exchange?