The Blood

Question 1

What is a blood and what does it contain

Answer 1

Tissue

Consists of fluid called plasma in red blood cells, white blood cells and platelets are suspended

Question 2

What 3 things do blood plasma transport

Answer 2

Co2 from organs to lungs
Soluble products of digestion from small intestine to other organs
Urea from liver to kidney

Question 3

What is the purpose of red blood cells and how are they adapted to do this

Answer 3

Transport oxygen from lungs to organs

Have no nucleus- more room for haemoglobin

Question 4

What is it called when haemoglobin combines with oxygen in the lungs

What happens to this product in other organs

Answer 4

Oxyhaemoglobin

Slits up into haemoglobin and oxygen again

Question 5

What do white blood cells have and what is their purpose

Answer 5

Have nucleus

Part of bodies defence system against pathogens

Question 6

What are the properties of platelets

What is their function

Answer 6

Small fragments of cells with no nucleus

Help blood to clot at open wound