HUMAN BODY SYSTEM (MCQs)

Which is the only organ in the human body that floats?

• (A) Lungs
• (B) Liver
• (C) Kidney
• (D) Stomach

What is “Scapula”?

• (A) Collar bone
• (B) Chest bone
• (C) Shoulder bone
• (D) Hip bone

The largest lymphatic organ of the body is:

• (A) Liver
• (B) Spleen
• (C) Pancreas
• (D) Duodenum

The black part of the eye sensitive to light is called:

• (A) Iris
• (B) Cornea
• (C) Lens
• (D) Retina

The most contractile part of the human body is:

• (A) Skin
• (B) Stomach
• (C) Iris
• (D) Urinary bladder

What is the average time is needed for blood clotting?

• (A) 2 minutes
• (B) 3 minutes
• (C) 4 minutes
• (D) 5 minutes

How many muscles does a human body have?

• (A) 439
• (B) 539
• (C) 639
• (D) 739

Flat bones are found in:

• (A) Chest
• (B) Skull
• (C) Legs
• (D) Neck

Which is the largest nerve in the human body?

• (A) Vagus nerve
• (B) Sciatic nerve
• (C) Phrenic nerve
• (D) Trochlear nerve

How many layers of skin does a human have?

• (A) 2
• (B) 3
• (C) 4
• (D) 5