respiratory and respiration system

Question 1

what’s respiration

Answer 1

the process of realising energy from glucose

Question 2

what are blood vessels

Answer 2

arteries, capillaries and veins and they carry blood around the body to the heart lungs and tissues

Question 3

explain gas exchange

Answer 3

we breathe in oxygen which goes down the trachea, bronchi, bronchioles to the alveoli where there is a higher concentration of oxygen the CO2 therefore oxygen diffuses into the deoxygenated blood cell in the capillary which then become oxygenated. we then exhale CO2

Question 4

how are the alveoli adapted for diffusion

Answer 4

large surface area
moist thin walls
many capillaries

Question 5

what type of blood do arteries carry

Answer 5

oxygenated blood away from heart to tissues

Question 6

what type of blood do veins carry

Answer 6

deoxygenated blood to the heart

Question 7

what type of capillaries carry

Answer 7

both deoxy and oxy and exchange nutrients oxygen and waste with the tissues at the cellular level