OCR F214 - Excretion

What is excretion?

Why must carbon dioxide be excreted?

Why do nitrogenous compounds have to be excreted?

What shape do liver cells have?

What are kupffer cells and what is their function?

What is deamination?

Why must ammonia not be allowed to accumulate?

What happens to ammonia after deamination?

What substances are detoxified by the liver?

Arrangement of the liver

How is alcohol (ethanol) detoxified?

What happens if you consume too much alcohol?

Structure of the kidney

What are the four parts of the nephron?

Where does selective reabsorption occur?

Process of selective reabsorption

What is the role of the loop of Henle?

What is the name give to the hormone that alters the permeability of the collecting duct?

How does ADH alter the permeability of the collecting duct?

How is the concentration of ADH in the blood adjusted?

What causes kidney failure?

What are the treatments for kidney failure?

2 types of dialysis?

Haemodialysis

Peritoneal Dialysis

Advantages of kidney transplant

Disadvantages of kidney transplant

What hormone does pregnancy testing test for?

How does the pregnancy test stick work?

Draw the ornithine cycle

Why do animals that live in dry conditions have longer loops of henle?