SB7h: Osmoregulation

Question 1

Antigen

Answer 1

A substance on the outside of a cell that the immune system uses to identify whether the cell is from the same body or a different one.

Question 2

Dialysis

Answer 2

Process used to clean the blood of people with kidney failure. It involves the exchange of substances between blood and dialysis fluid across a partially permeable membrane.

Question 3

Kidney

Answer 3

The organ that removes urea, excess water and other substances from the blood to form urine.

Question 4

Kidney failure

Answer 4

When both kidneys do not work properly

Question 5

Organ donation

Answer 5

The transfer of a healthy organ (e.g. kidney) into the body of someone whose own organ has failed.

Question 6

Osmoregulation

Answer 6

The control of the balance of water and mineral ions in the body.

Question 7

Rejection

Answer 7

When the immune system attacks cells, tissues or an organ that has been placed in the body.

Question 8

Urea

Answer 8

A waste product from the breakdown of excess amino acids in the liver.

Question 9

Urinary system

Answer 9

Body system that removes excess substances and waste products from the body in urine.