Questions Wrong

Question 1

What is the function of the liver in the digestion?

Answer 1

Produces bile, which neutralises hydrochloric acid from the stomach and emulsifies fat to form small droplets with a large surface area

Question 2

What is the function of saliva in digestion

Answer 2

Lubrication to help swallowing – contains amylase to breakdown starch

Question 3

What is the function of platelets?

Answer 3

From blood cuts – prevent the loss of blood and stop wounds, becoming infected

Question 4

Name the substances transported in the blood plasma

Answer 4

Hormones, proteins, urea, carbon dioxide, glucose

Question 5

How does the structure of an artery relate to its function?

Answer 5

Carries blood away from the heart under high-pressure – has a small lumen and thick elasticated walls that can stretch

Question 6

What is the structure of a capillary relate to its function?

Answer 6

Carries blood to cells and tissues – has a one cell thick water provide a short diffusion distance

Question 7

How does the structure of a vein relate to its function?

Answer 7

Carries blood back to the heart at low pressure – doesn’t need thick. Elasticated was, but has valves to prevent blood flowing the wrong way.