Blood and Cells

Question 1

List 3 features of Red Blood Cells

Answer 1

1. They are biconcave
2. They don’t have a nucleus
3. They contain haemoglobin

Question 2

List 2 features of White Blood Cells

Answer 2

1. They have a nucleus

2. They are larger than Red Blood Cells

Question 3

What is the role of White Blood Cells?

Answer 3

To fight infection in the body

Question 4

What is the role of Platelets?

Answer 4

To cause clots at the site of a wound

Question 5

What is Plasma and what does it do?

Answer 5

Plasma is the fluid of your blood.

It carries the White Blood Cells, Red Blood Cells, nutrients etc.

Question 6

What is the role of Arteries?

Answer 6

To carry oxygenated blood from the heart around the body

Question 7

What 2 features do Arteries have to increase pressure?

Answer 7

1. A narrow lumen

2. A thick smooth muscle

Question 8

What is the role of Veins?

Answer 8

To carry de-oxygenated blood from the body to the heart

Question 9

What do Capillaries do?

Answer 9

They carry nutrients and remove waste products

Question 10

Why are Capillaries one cell thick?

Answer 10

To allow maximum diffusion