Structure And Function Of Blood

Question 1

The function of blood

Answer 1

Blood transports materials and heat around the body, and helps to protect against disease

Question 2

What is the function of red blood cells

Answer 2

They deliver oxygen around the body whilst also carrying back the waste gases of CO2. They contain a protein called haemoglobin

Question 3

Is the structure of red blood cells

Answer 3

They have a biconcave shape to maximise the surface area for oxygen absorption they are also small and flexible so they can fit through narrow blood vessels

Question 4

What is the function of white blood cells

Answer 4

They defend the body against disease.Consist of B lymphocytes responsible for making antibodies, and t lymphocytes which initiate the immune response

Question 5

Is the structure of white blood cells

Answer 5

Very structures of white blood cells including granular cytoplasm a large nucleus and loads nucleus

Question 6

Function of platelets

Answer 6

Make up the rest of the blood. The cells help your body repair by stopping bleeding after illness or injury

Question 7

Structure of platelets

Answer 7

Fragments of cells with protein attach to the surface; these allow them to stick together during clotting

Question 8

Function of plasma

Answer 8

It’s a clear liquid a part of the blood is involved with the material transport such as hormones, CO2 and waste. Plasma makes up just over half of the volume of blood (55%).

Question 9

Structure of plasma

Answer 9

Clear, pale/coloured liquid which makes of the fluid component of the blood