BLOOD

Question 1

What is blood?

Answer 1

Blood is a tissue

Question 2

What are the two main functions of blood?

Answer 2

Transport oxygen and nutrients around the body
Defence against diseases

Question 3

4 main components of blood

Answer 3

Plasma
Red blood cells
White blood cells
Platelets

Question 4

What is the function of the red blood cell?

Answer 4

Carries oxygen from the lungs to every cell in the body

Question 5

What is the function of the white blood cell?

Answer 5

Fights infection by pathogens and stops disease

Question 6

What is plasma?

Answer 6

Carries blood cells and platelets around the body

Question 7

What is a platelets?

Answer 7

Broken down parts of cells that form scabs.

Question 8

What are two adaptations of red blood cells?

Answer 8

They have a bioconcave shape to increase surface area
They have no nucleus to increase the surface area for haemoglobin

Question 9

What are the two types of white blood cells?

Answer 9

Phagocytes
Lymphocytes

Question 10

What are phagocytes?

Answer 10

Phagocytes surround, engulf and destroy pathogens