Circulatory System : Blood

Question 1

What makes up blood?

Answer 1

Red Blood Cells
White Blood Cells
Platelets
Plasma

Question 2

What’s the role of the Red Blood Cell?

Answer 2

Transport Oxygen around the body

Question 3

What are the main features of the Red Blood Cell?

Answer 3

Biconcave Disc = Larger SA
No Nucleus – loose to be able to store more oxygen

Question 4

What part of the Red Blood Cell takes in the Oxygen?

Answer 4

Haemoglobin

Question 5

What’s a consequence of a lack of Red Blood Cells?

Answer 5

Anaemia - tiredness, body is fatigued as the muscles can’t aerobically respire: Less RBC

Question 6

What’s the role of the White Blood Cell?

Answer 6

Fight off foreign Infections

Question 7

What’s the role of the Phaygocytes produced by the WBC?

Answer 7

It engulfs the Bacteria/Foreign infections (pathogens) digesting them

Question 8

What’s the role of the Lymphocytes produced by the WBC?

Answer 8

Produce/release antibodies and antitoxins to neutralise pathogens.

Question 9

What are Platelets made of?

Answer 9

Cell fragments

Question 10

What’s the role of platelets?

Answer 10

Clot the blood forming a scab

Question 11

What is Plasma made of?

Answer 11

Mostly water

Question 12

What does the Plasma carry (give 4 things)?

Answer 12

Glucose, amino acids, Glycerol, fatty acids, Urea, hormones, heat, CO2; proteins