1.5 Blood

Question 1

antibodies

Answer 1

chemicals that kill bacteria, Y-shaped

Question 2

blood plasma

Answer 2

liquid part of blood

Question 3

oxyhaemoglobin

Answer 3

oxygen-binded haemoglobin

Question 4

pathogens

Answer 4

bacteria and viruses that cause illness in the bodies

Question 5

red blood cells

Answer 5

oxygen-carrying blood cells, no nucleus

Question 6

white blood cells

Answer 6

help defend against pathogens (by phagocytosis)