ہومیوستاسس

Maintaining a stable internal environment is called:

• 1 Excretion only
• 2 Growth
• 3 Digestion
• 4 Homeostasis

The main excretory organ in humans is the:

• 1 Kidney
• 2 Heart
• 3 Liver
• 4 Pancreas

The functional unit of the kidney is the:

• 1 Nephron
• 2 Neuron
• 3 Alveolus
• 4 Villus

Urea is formed in the:

• 1 Kidney
• 2 Stomach
• 3 Lungs
• 4 Liver

Sweating helps to:

• 1 Digest food
• 2 Cool the body
• 3 Warm the body
• 4 Make urea

The liquid waste of the body formed by kidneys is:

• 1 Saliva
• 2 Urine
• 3 Sweat
• 4 Bile

Dialysis is used for people whose:

• 1 Heart is slow
• 2 Lungs have failed
• 3 Kidneys have failed
• 4 Liver is enlarged

The skin helps to control body temperature by:

• 1 Making blood
• 2 Sweating
• 3 Digesting
• 4 Growing

The tube that carries urine from the kidney to the bladder is the:

• 1 Aorta
• 2 Nephron
• 3 Ureter
• 4 Urethra