Soc 16

Question 1

What is the importance of white blood cells?

Answer 1

● The blood also contains transparent cells called white blood cells
● They have an important function as the defence system of the body
● They produce antibodies to fight against infection and diseases
● If an athlete has a disease or infection they may not be able to train/perform

Question 2

What is the importance of red blood cells?

Answer 2

● Red blood cells transport oxygen from the lungs to the body’s cells, and carbon dioxide from the cells to the lungs
● they contain haemoglobin, which stores oxygen and carbon dioxide
● This is important to a long distance runner as their working muscles require more oxygen when running.

Question 3

What is the importance of platelets?

Answer 3

● Blood platelets are formed in the bone marrow
● Tiny fragments that clump together to help blood clot and stop bleeding
● Blood is the first line of defence in the repair of a wound
● When a blood vessel is cut, platelets rush to the area and swell into irregular shapes, they become sticky and act as a plug
● If a performer gets a skin abrasion/cut the blood platelets will clot to stop the bleeding

Question 4

What is the importance of plasma?

Answer 4

● The main role of plasma is to take nutrients, hormones, and proteins to the parts of the body that need it
● Cells also put their waste products into the plasma. The plasma then helps remove this waste from the body

Question 5

Erythrocyte

Answer 5

red blood cell.

Question 6

Haemoglobin

Answer 6

a red protein in the blood that transports oxygen.

Question 7

Anaemia

Answer 7

a condition where there is a lack of red cells or haemoglobin in the blood.

Question 8

Pathogen

Answer 8

an agent that causes disease, such as a virus.

Question 9

Antibody

Answer 9

chemical that destroys a pathogen.

Question 10

Serotonin

Answer 10

hormone that triggers the clotting process.

Question 11

Plasma

Answer 11

the fluid part of blood.