What is blood?

Question 1

What is plasma?

Answer 1

Yellowish in colour, helps blood to clot, transport substances through the blood,
90%water
Plasma proteins
hormones
electrolytes
nutrients - glucose

Question 2

what is the composition of blood?

Answer 2

55% plasma
44% Red blood cells - erythrocytes
1% white blood cells

Question 3

How much blood is in the body?

Answer 3

around 65-75ml/kg

8% of body weight is blood

Question 4

What are Erythrocytes?

Answer 4

Red blood cells
44% of blood is erythrocytes
not quite a doughnut shape
no nucleus
hold haemoglobin - to carry 02 and c02 around the body.

Question 5

What is Anaemia?

Answer 5

is a blood deficiency
Caused by low iron levels so not enough red blood cells can be made.
symptoms: pale in colour and tiredness

Question 6

What are Leukocytes?

Answer 6

White blood cells, needed to fight infections.

examples: neutrophils, mast cells, lymphocytes, monocytes.

Question 7

What are thrombocytes?

Answer 7

Platelets.

Needed for blood clotting - plug the damage.

Question 8

What are clotting factors?

Answer 8

Produced in the liver and are proteins that control bleeding

Question 9

What are Immunoglobulins?

Answer 9

are antibodies/proteins that are made by the immune system to fight pathogens

Question 10

What are plasma proteins?

Answer 10

Are transporters for lipids, hormones, vitamins and minerals and are part of the immune system.

Question 11

What is the function of haemoglobin?

Answer 11

to transport 02 around the body.

haemoglobin will then release to 02 for aerobic respiration in order to create energy. This is called metabolism.

Question 12

What are the standard levels of haemoglobin in men and women?

Answer 12

Male 13.8 to 17.2 grams per decilitre

Female 12.1 to 15.1 grams per decilitre