biology

3 things veins have or do

have valves carry towards the heart and carry deoxygenated blood

1 of 7

3 things arteries have or do

carry oxygenated blood away from heart and have a pulse

2 of 7

what does a stem cell do

can change into any cell as it is not a specialised cell

3 of 7

wha does haemoglobin do

attaches to red blood cells to direct the oxygen to the places it needs to be

4 of 7

Enzymes are carbohydrates true or false

false they are proteins

5 of 7

What do enzymes do

they increase the speed of reactions and they break the bonds of molecules so that it is easier to digest

6 of 7

are enzymes effected by ph and temperature levels

yes they are

7 of 7

Other cards in this set

carry oxygenated blood away from heart and have a pulse

3 things arteries have or do

can change into any cell as it is not a specialised cell

attaches to red blood cells to direct the oxygen to the places it needs to be

false they are proteins

Get Revising