exam

Question 1

Heart artery question

Answer 1

the pulmonary artery

Question 2

What is the thinner muscle on the left side of the heart?

Answer 2

Right atrium

Question 3

Why would a person with less red blood cells by tired?

Answer 3

o there would be less haemoglobin which carry oxygen from the lungs, which means less respiration so less energy produced

Question 4

7 lungs and 25 years - difference =

Answer 4

3.1

Question 5

Compare male and female lungs

Answer 5

during puberty the physical difference between the genders increases woman grow titles

Question 6

Horse respiration

Answer 6

it is strenuous activity the horse continues breathing heavily for a short period of time this is because anaerobic respiration which has caused there to be build up of lattice acid so the horse keeps breathing to break down lattice acid and to repay oxygen debt

Question 7

What is the contrary heat despise effect blood flow?

Answer 7

Since canary heart disease the blood flow is insufficient therefore insuciffent oxygen gets transported to muscle cells of the heart so the cells do anaerobic respiration then the lattice acid builds up in the heart muscle cells because of the insicuffent oxygen flow

Question 8

what is diagram of horse

Answer 8

trachea

Question 9

why the tap turns on

Answer 9

to reset the apparatus and return the air pressure to normal

Question 10

vasodilation

Answer 10

blood vessels widen to allow more blood flow near the surface so it can transfer more energy into the surroundings cooling you down

Question 11

vasoconstriction

Answer 11

blood vessels near the surface of the skin constrict so less blood flows near the surface so less energy is transferred tp the surrounding

hair stand on end to trap an insulating layer of air

Question 12

plants at oxygen

Answer 12

the enzymes work more efficiently at higher temperatures