The Human Body

How many bones are there in a typical adult human skeleton?

• 206
• 212
• 198
• 180

What is the largest organ of the human body?

• The skin
• The liver
• The lungs
• The brain

Which is the largest internal organ in the human body?

• The liver
• The heart
• The stomach
• The kidney

The human heart has four chambers.

• True
• False

Which component of red blood cells binds and carries oxygen around the body?

• Haemoglobin
• Insulin
• Collagen
• Keratin

The smallest bone in the human body is the ___, found in the middle ear.

How many teeth are in a complete set of adult (permanent) teeth?

• 32
• 28
• 20
• 36

Which organ produces the hormone insulin?

• The pancreas
• The liver
• The spleen
• The thyroid gland

The longest bone in the human body is the ___, located in the thigh.

Human blood is blue while it travels through the veins and only turns red on contact with air.

• True
• False

Which structure separates the outer ear from the middle ear and vibrates when sound waves hit it?

• The eardrum
• The cochlea
• The stapes
• The Eustachian tube

Which part of the brain is primarily responsible for balance and coordinating voluntary movements?

• The cerebellum
• The cerebrum
• The medulla oblongata
• The hypothalamus

The left lung is smaller than the right lung to make room for the heart.

• True
• False