human breathing

Question 1

explain in detail how you know inhalation is occurring in this diagram(1)

Answer 1

increased levels of carbon dioxide detected

Question 2

explain in detail how you know inhalation is occurring in this diagram(2)

Answer 2

nervous impulses generated in medulla oblongata sent to the intercostal muscles and diaphragm

Question 3

explain in detail how you know inhalation is occurring in this diagram(3)

Answer 3

intercostal muscles an diaphragm contract

Question 4

explain in detail how you know inhalation is occurring in this diagram(4)

Answer 4

rib cage moves up and out - diaphragm flattens

Question 5

explain in detail how you know inhalation is occurring in this diagram(5)

Answer 5

thoracic volume increases - pressure decreases

Question 6

explain in detail how you know inhalation is occurring in this diagram(6)

Answer 6

air moves into the lungs

Question 7

name one disorder

Answer 7

asthma

Question 8

name one possible cause of the named disorder

Answer 8

pollen

Question 9

name one possible treatment for the named disorder

Answer 9

inhaler

Question 10

diagram of human breathing system(2022 deferred paper)

Answer 10

a-pharynx
b-layrnx
c-trachea
d-alveoli
e-bronchioles
f-diaphragm

Question 11

name the structures located at the end of the breathing tract involved in gaseous exchange

Answer 11

alveoli

Question 12

state three adaptions of the structures of alveoli, to increase the efficiency of gaseous exchange

Answer 12

moist, numerous, thin walled

Question 13

identify the gas, soluble in blood plasma, which controls the rate of breathing

Answer 13

carbon dioxide

Question 14

identify the region of the human brain which detects carbon dioxide

Answer 14

medulla oblongata

Question 15

how does the breathing system respond to a high level of the gas at carbon dioxide

Answer 15

increases rate of breathing

Question 16

name the blood vessel from which the capillary arises

Answer 16

pulmonary artery