Formed elements

Question 1

What is another name for red blood cells?

Answer 1

Erythrocytes

Question 2

What are RBC produced from?

Answer 2

Stem cells and red bone marrow

Question 3

What is the function of Biconcave discs?

Answer 3

Makes the RBC flexible-as they travel through the body
Puts oxygen close to haemoglobin
Increases surface area for gas exchange

Question 4

Why cant biconcave discs reproduce or produce proteins

Answer 4

No nucleus or organelles

Question 5

How much of RBC is haemoglobin?

Answer 5

1/3

Question 6

What does haemoglobin do?

Answer 6

Transport 02 and some C02 through the blood

Question 7

What does 02 and haemoglobin make?

Answer 7

Oxyhaemoglobin (gives blood its red colour)

Question 8

What does the release of O2 in oxyhaemoglobin make?

Answer 8

deoxyhaemoglobin (darker in colour)

Question 9

What does haemoglobin produce?

Answer 9

ATP by glycolysis

Question 10

Structure of haemoglobin

Answer 10

Included 4 polypeptide chains
Each with a heme group in the centre
Each heme has iron molecule- bind (4)02 with

Question 11

What are red cell counts for men and women?

Answer 11

4,700000 cells per mm3 for men

4200000 cells per mm3 for women

Question 12

What does the number of RBC in circulation determine

Answer 12

The bloods 02 carrying capacity- has an effect on general health

Question 13

Wat are RBC counts measure and used in?

Answer 13

diagnostic condition and assessing the course of various diseases