2.8.6 Human Transport Systems: Red Blood Cells & Plasma

Question 1

red blood cells are specialised cells which carry, what?

Answer 1

oxygen to respiring cells

Question 2

List 3 ways that red blood cells are adapted for carrying oxygen to respiring cells

Answer 2

1. They are full of haemoglobin, a protein that binds to oxygen to form oxyhaemoglobin

Question 3

What is Haemoglobin

Answer 3

Haemoglobin (Hb) is a protein found in the red blood cells that carries oxygen in your body and gives blood its red colour

Question 4

What is Plasma

Answer 4

Plasma is a straw coloured liquid which the other components of the blood are suspended within

Question 5

Plasma is important for the transport of many substances including:

Answer 5

1. Carbon dioxide – the waste product of respiration, dissolved in the plasma as hydrogencarbonate ions and transported from respiring cells to the lungs