the blood and osmosis/diffusion

Question 1

lymphocytes

Answer 1

white blood cells and they digest foreign cells

Question 2

platelets

Answer 2

cell fragment and they help reduce blood clotting

Question 3

phagocytes

Answer 3

white blood cells and produce antibodies

Question 4

plasma

Answer 4

straw coloured liquid to transport dissolved substances

Question 5

state two facts and reasons of red blood cells

Answer 5

no nucleus to hold more oxygen
they have a hollow on each side to allow the cell to fit in smaller capillaries

Question 6

hypertonic

Answer 6

this solution is concentrated

Question 7

isotonic

Answer 7

there is no difference in concentration and the movement of water remains constant

Question 8

hypotonic

Answer 8

this solution is dilute has a lot of water

Question 9

how is the small intestine adapted to increase diffusion

Answer 9

villi provide a large surface area which increases the rate of diffusion

Question 10

why is glucose absorbed by diffusion and active transport

Answer 10

because glucose needs sugar molecules, the sugar molecules do not diffuse