Our Body Quiz

What is the main function of the skeletal system?

• Digestion, absorption, and elimination

• Transportation of oxygen and nutrients

• Support, protection, and movement

• Production of hormones and enzymes

How many bones are there in the human body?

• 100

• 500

• 1000

• 206

What is the largest bone in the human body?

• tibia

• radius

• humerus

• femur

What are the three main parts of the respiratory system?

• brain, spinal cord, nerves

• lungs, airways, diaphragm

• stomach, intestines, liver

• heart, blood vessels, trachea

What is the function of the lungs in the respiratory system?

• Filtering of blood

• Digestion of food

• Production of hormones

• Exchange of gases

What is the role of the brain in the nervous system?

• The brain is responsible for producing hormones in the nervous system.

• The brain is the control center of the nervous system.

• The brain is not involved in the functioning of the nervous system.

• The brain only controls voluntary movements in the nervous system.

What are the three main parts of the nervous system?

• muscles, bones, and skin

• stomach, intestines, and kidneys

• heart, lungs, and liver

• brain, spinal cord, and nerves

What is the function of the spinal cord in the nervous system?

• Control muscle movements

• Filter blood

• Transmit signals between the brain and the rest of the body

• Produce hormones

What is the smallest bone in the human body?

• femur

• stapes

• humerus

• tibia

What is the function of the diaphragm in the respiratory system?

• The diaphragm helps with the production of red blood cells in the respiratory system.

• The diaphragm is responsible for filtering the air that enters the respiratory system.

• The function of the diaphragm is to help with the process of breathing by contracting and relaxing to expand and contract the lungs.

• The diaphragm helps with digestion by contracting and relaxing to move food through the digestive system.