HUMAN BODY SYSTEM (MCQs)

_______ makes up 14 to 17 percent of the human skeleton.

• (A) Iron
• (B) Magnesium
• (C) Sodium
• (D) Phosphorus

Which organ is responsible for filtering the blood?

• (A) Intestine
• (B) Liver
• (C) Heart
• (D) Kidney

The thickness of human kidney is:

• (A) 2 cm
• (B) 4 cm
• (C) 6 cm
• (D) 8 cm

The average life for donated kidney is:

• (A) 1 to 5 years
• (B) 3 to 6 years
• (C) 5 to 10 years
• (D) 10 to 15 years

The urine is carried out from urinary bladder to outside of body in human by:

• (A) Urethra
• (B) Ureter
• (C) Kidney
• (D) Nephron

Number of nephrons in each kidney are:

• (A) 5 lac
• (B) 10 lac
• (C) 15 lac
• (D) 20 lac

Which tube among the following joins kidneys and bladder?

• (A) Urethra
• (B) Ureter
• (C) Infenor Vena Cava
• (D) Suprapubic Tube

As per normal chemical composition the amount of water in the urine is:

• (A) 60%
• (B) 75%
• (C) 90%
• (D) 95%

The weight of human kidney is nearly ______ grams.

• (A) 80
• (B) 100
• (C) 120
• (D) 140

The main function of kidney is the formation of:

• (A) Urine
• (B) Blood
• (C) Fats
• (D) Vitamin