Osmoregulation

Question 1

Osmoregulation

Answer 1

control of balance of water and mineral salts in the body.

Question 2

What happens if there is too much or too little water in your body

Answer 2

damages cells because water in cells allows molecules in cell’s reactions to move around
water is needed to keep shape of the cell

Question 3

Urinary system

Answer 3

removes excess amount of some substances from the blood
removes urea

Question 4

Urea

Answer 4

produced in liver cells from breakdown of amino acids that are in greater amounts than needed
urea passes into blood and is taken to kidneys

Question 5

Kidney failure

Answer 5

both kidneys stop working properly

Question 6

Why is kidney failure dangerous

Answer 6

waste substances increase in concentration

Question 7

Kidney Dialysis

Answer 7

machine to do the job of the kidney and remove waste from blood during kidney failure

Question 8

How does Kidney dialysis work

Answer 8

Blood with waste passes into machine
Waste filtered into dialysis fluid through diffusion
dialysis fluid filtered out of machine and clean blood passes back into body

Question 9

Organ donation

Answer 9

kidney from another person is put into patients body and attached to blood system

Question 10

Problems of Kidney donation

Answer 10

Several hours of surgery, bad for weak patient
Kidney cells have antigens, so antigens must be modelled to the patient’s cells