Blood

Question 1

what is the blood comprised off?

Answer 1

erythrocytes (red blood cells)
leucocytes (white blood cells)
lymphocytes (t-cells and b-cells)
neutrophils
monocytes 
platelets 
plasma

Question 2

how are erythrocytes adapted

Answer 2

• bi concave shape
• round
• flattened
• central indentation to maximise the surface area for oxygen
• small and flexible allowing them to enter narrow capillaries

Question 3

leucocytes function

Answer 3

role in defence and immunity

Question 4

erythrocytes function

Answer 4

transport oxygen and carbon dioxide

Question 5

lymphocytes function

Answer 5

T-cells (destroys body’s own cells that have been taken over by diseases)
B-cells (destroys antigens)

Question 6

neutrophils function

Answer 6

protect the body against bacterial infection

Question 7

monocytes function

Answer 7

part of immune system, attack certain germs

Question 8

platelets function

Answer 8

helps blood clots form

Question 9

plasma function

Answer 9

transports oxygen glucose carbon dioxide

Question 10

what is the largest component of blood

Answer 10

plasma

Question 11

what are haemoglobin

Answer 11

red protein responsible for transporting oxygen in the blood