respiratory system

Question 1

What are the two jobs of the respiratory system?

Answer 1

extract o2 from the air and remove co2 from the body

Question 2

What is the respiration equation?

Answer 2

glucose+o2=co2+h2o+energy

Question 3

around how many times do humans breathe in a day?

Answer 3

20,000

Question 4

breathing is also known as

Answer 4

ventilation

Question 5

what are the lungs responsible for?

Answer 5

getting o2 and nutrients to the cells and organs, and removing waste (eg. co2)

Question 6

what organs are part of the respiratory system?

Answer 6

nose, mouth, larynx (voice box), trachea, bronchi, lungs, pharynx (throat)

Question 7

what happens to air when you breathe in through the nose

Answer 7

air is moistened, filtered, and warmed

Question 8

what are cilia?

Answer 8

tiny hairs/finger-like projections that are found in the bronchi that sweep mucus back in the airway and to the heart

Question 9

where does air pass through?

Answer 9

mouth/nose, pharynx (throat), trachea, left or right bronchi, left or right lung

Question 10

what causes snoring?

Answer 10

upper airway partially collapses, the tongue falls back on the soft palate that vibrates with each breathe, creating soung

Question 11

why is the left lung smaller than the right?

Answer 11

to make room for the heart

Question 12

what are the little sacs in the lungs?

Answer 12

alveoli

Question 13

what do alveoli do?

Answer 13

gas exchange occurs in them

Question 14

how many alveoli do we have?

Answer 14

~300,000,000

Question 15

how does gas exchange work?

Answer 15

diaphragm contracts and pulls down, rib cage expands, air rushes in, diaphragm pushes up and air is pushed out

Question 16

what is the dome-shaped muscle that helps us breathe?

Answer 16

diaphragm

Question 17

why do some athletes go to higher altitudes to train?

Answer 17

the body makes more red blood cells because there is less o2 at higher altitudes and so when they come back they have more o2 cause of the red blood cells

Question 18

what is the fancy word for voice box?

Answer 18

larynx

Question 19

whar is the fancy word for the throat?

Answer 19

pharynx

Question 20

how do we make sound?

Answer 20

the 2 vocal cords that are stretched across the larynx have air pass through them which makes them vibrate

Question 21

what is a hiccup?

Answer 21

involuntary contractions of the diaphragm

Question 22

what happens when someone has asthma?

Answer 22

a narrowing of the breathing passages/airways. it can be caused by smog, weather, stress etc

Question 23

what is it called when there isn’t enough o2 in the blood?

Answer 23

hypoxemia

Question 24

what is emphysema?

Answer 24

when lung tissue is destroyed, typically due to smoking

Question 25

what is pneumonia?

Answer 25

mucas and puss build up in the airways

Question 26

what is tuberculosis (TB)?

Answer 26

destruction of lung tissue and bronchi and air starts to leak out which leads to lungs colapsing