Excretion

Question 1

Liver lobule

Answer 1

cylindrical structure which makes up the liver made up of hepatocytes with branches of the hepatic artery, hepatic portal vein, and bile duct running through it. hepatic vein located in the centre.

Question 2

hepatic pottal vein

Answer 2

the blood vessel which carries blood from parts of the small intestine to the liver

Question 3

bile

Answer 3

A substance produced by the liver to emulsify fats. Stored in the gall bladder

Question 4

kupffer cell

Answer 4

cells attached to the hepatocytes in liver lobules which produce bile

Question 5

deamination

Answer 5

the process of converting excess amino acids into ammonia and organic acids

Question 6

ornithine cycle

Answer 6

The process in which ammonia and carbon dioxide are turned into urea and water

Question 7

renal capsule

Answer 7

outer membrane of the kidney

Question 8

cortex

Answer 8

outer area of the kidney

Question 9

medulla

Answer 9

inner area of the kidney

Question 10

glomerulus

Answer 10

A bundle of capillaries that loop inside the Bowman’s capsule of a nephron. Where ultrafiltration takes place

Question 11

Ultrafiltration

Answer 11

Filtering of the blood under high pressure in the glomerulus

Question 12

Selective reabsorption

Answer 12

Reabsorption of useful substances from filtrate into the blood as it passes through the proximal convoluted tubule, loop of Henle and distal convoluted tubule. Useful molecules move across be active transport and facilitated diffusion and water moves across by osmosis