Components of Blood Circulatory Module 2

Question 1

What is plasma

Answer 1

55 per cent of all blood content. Proteins, nutrients, hormones, minerals, salts and wastes are in plasma for the nourishment and functioning of tissues

Question 2

what are red blood cels

Answer 2

formed in bone marrow and carries oxygen and CO2 around the body. Contains iron and haemoglobin (protein)

Question 3

what are white blood cells

Answer 3

formed in bone marrow and lymph nodes. Phagocytes engulf foreign material and harmful bacteria while lymphocytes produce antibodies to fight disease

Question 4

what are platelets

Answer 4

made from bone marrow and produce clotting substances that prevent blood loss when a blood vessel is damaged