Homeostasis

Question 1

Define homeostasis

Answer 1

It is the process of maintaining constant internal body conditions

Question 2

Why is homeostasis important?

Answer 2

It ensures the maintenance of optimal conditions for enzyme action and cell function

Question 3

How is urea produced?

Answer 3

Urea is produced in the liver from the deamination of excess amino acids

Question 4

Functions of kidneys

Answer 4

They regulate the water content of the blood and they excrete toxic waste products of metabolism

Question 5

What is the kidney surrounded by?

Answer 5

A tough outer layer known as the fibrous capsule

Question 6

Renal artery

Answer 6

Carries oxygenated blood to kidneys

Question 7

Renal vein

Answer 7

Carries deoxygenated blood away from kidneys

Question 8

Ureter

Answer 8

Carries urine from kidneys to bladder

Question 9

Bladder

Answer 9

Stores urine

Question 10

Urethra

Answer 10

Releases urine outside the body

Question 11

What two stages do the formation of urine occur in?

Answer 11

1) Ultrafiltration
2) Selective reabsorption