Cerrar
What is blood ?
What does blood plasma transport ?
Describe how red blood cells transport oxygen ?
What are white blood cells ?
What are platelets ?
What does xylem tissue transport ?
What does phloem tissue transport ?
What is transpiration ?
Describe how carbon dioxide and urea are formed and how they are removed from the body
Describe what happens if the water or ion content of the body is wrong ?
Describe how a healthy kidney produces urine ?
State 2 ways in which people who suffer from kidney failure may be treated ?
How does dialysis help someone with kidney problems ?
describe in detail how dialysis works ?
What is a kidney transplant and state one challenge with this ?
Describe in detail how transplanted kidneys may be rejected ?
How can donor kidney rejection be prevented ?
State one way that the body cools down and one challenge presented by this ?
Where and how is body temperature monitored ?
State 2 things that happen if core body temperature gets too high ?
State 2 things that happen if core body temperature gets too low ?
By what and how are glucose levels monitored ?
describe the role of glucagon in glucose concentration regulation ?
What is type one diabetes ?
State how type 1 diabetes can be controlled ?
State how waste pollutes
water
air and
land
State how humans reduce the amount of land available for other animals and plants ?
Large-scale deforestation in tropical areas, for timber and to provide land for agriculture, has:
Deforestation leads to .........
State 2 reasons that deforestation has occurred ?
how does the destruction of peat bogs affect carbon dioxide levels in the atmosphere ?
An increase in the Earth’s temperature of only a few degrees Celsius could lead to what ?
How is carbon dioxide removed from the atmosphere ?
How can biofuels be made ?
How can the efficiency of food production be increased ? 1
How can the efficiency of food production be increased ? 2
Why is it important to maintain fish stocks and how can this be achieved ?
What is mycoprotein and how is it produced ?
Describe and explain how an increase in the humidity in the air around a plant will affect the rate of water loss from the plant.
Describe how a plant avoids wilting when there is not much water available.
Describe how the body responds when the blood glucose concentration begins to decrease.
Give one advantage and one disadvantage of using the modern ventilator rather than the iron lung ventilator
Describe how ions are obtained and transported through plants ?
Describe how water is obtained and transported through plants ?
Describe how sugar is obtained and transported through plants ?
