Blood

Question 1

what are the 4 main components of blood

Answer 1

plasma
red blood cells
white blood cells
platelets

Question 2

what is plasma made from and name some facts about it

Answer 2

straw coloured
digested food carry’s though your plasma
nutrient rich
also helps with hormones

Question 3

name some facts about red blood cell

Answer 3

most common thing in your blood
5 million in 10cm cubed of blood
they carry oxygen around your body

Question 4

what are adaptations of red blood cells to help them carry oxygen better

Answer 4

bio concave disk shape to increase surface area so oxygen can be absorbed
very small so it can reach all parts of the body
haemoglobin - needed so it can carry oxygen

Question 5

what is haemoglobin

Answer 5

protein rich
folded around 4 ion atoms
in high concentrations of oxygen it forms oxyhaemoglobin

Question 6

what is the function for platelets

Answer 6

they are in the blood to make blood clots and scabs

Question 7

what is the function of white blood cells

Answer 7

ingesting pathogens and producing antibodies

Question 8

what is the function of red blood cells

Answer 8

they transport oxygen through the blood

Question 9

what are lymphocytes

Answer 9

they make up 25 percent of the white blood cells, and they produce soluble protein called antibodies

Question 10

what are phagocytes

Answer 10

they make up 70 percent of white blood cells, they do not produce antibodies but they can destroy bacteria