B4+

Question 1

What is blood?

Answer 1

The red liquid carrying oxygen to and carbon dioxide from the tissues of the body

Question 2

What cells does blood contain?

Answer 2

Red blood cells
White blood cells
Plasma
Platelets

Question 3

What is a specialised feature of a red blood cell?

Answer 3

It has no nucleus to carry a lot of oxygen around the oxygen.
It has a large surface area (biconcave disk) so it can absorb more oxygen

Question 4

What is the name of the process that makes a cell specialised?

Answer 4

Differentiation

Question 5

What does a white blood cell do?

Answer 5

Fights against infections

Question 6

What do platelets do?

Answer 6

Creates blood clots when you have a cut, which leads to scabbing which consequently prevents infections

Question 7

What does plasma do?

Answer 7

Contains and transport everything that you need eg. nutrients, hormones etc

Question 8

What is the function of arteries?

Answer 8

Carries oxygenated blood away from the heart and the the cells that need it

Question 9

What is the function of veins?

Answer 9

Carries deoxygenated blood back to the heart

Question 10

What is the function of capillaries?

Answer 10

Exchange nutrients with cells and take away waste products