Excretion in human beings

Which of the following is not part of excretion?

• remove toxic materials

• remove undigested food

• remove waste product of metabolism

• remove substances in excess of requirement

Humans have three main excretory products, which of the following is not one of them.

• carbon dioxide

• salts

• urea

• faeces

Urea is made in the _______.

• pancreas

• liver

• stomach

• intestine

Urea is made from _________.

• amino acid

• fat

• fibre

• salts

Urea is carried from the _______ to the _______.

• stomach, liver

• liver, kidneys

• kidneys, stomach

• kidneys, liver

______ stores excess glucose in the form of glycogen.

• Kidney

• Pancreas

• Muscle cells

• Liver

Which of the following is not the function of the liver?

• break down harmful substances like alcohol

• storage of excess glucose

• emulsify fat

• produces bile

The three main parts of your kidneys include the following except

• pelvis

• medulla

• cortex

• oblongata

Urea diffuses into the ______ of blood.

• red blood cells

• eukaryotes

• plasma

• white blood cells

Blood enters the kidneys through the ___________.

• renal arteries

• renal veins

• tubules

• ureter