Human Body Systems and Functions

The video provides an educational overview of various human body systems, including the skeletal, muscular, nervous, digestive, circulatory, respiratory, and immune systems. It explains the functions and components of each system, such as bones, muscles, the brain, digestive organs, blood vessels, lungs, and immune defenses. The video also includes a sensitivity warning for viewers sensitive to life sciences and offers additional resources like worksheets and practice tests.

What is the largest bone in the human body?

• Femur

• Fibula

• Humerus

• Tibia

How do muscles work to move a joint?

• By contracting and relaxing in pairs

• By expanding and contracting individually

• By only relaxing

• By only contracting

Which part of the brain is responsible for coordination?

• Cerebellum

• Cerebral Cortex

• Brain Stem

• Medulla

Where does the digestive process begin?

• Mouth

• Stomach

• Esophagus

• Small Intestine

What is the primary function of the liver in digestion?

• To produce bile

• To store nutrients

• To remove toxins

• To absorb nutrients

What is the main role of arteries in the circulatory system?

• To exchange gases

• To carry blood towards the heart

• To carry blood away from the heart

• To store blood

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

• To exchange gases

• To produce mucus

• To contract and relax for breathing

• To filter air

What is the waste product exhaled by the lungs?

• Carbon Dioxide

• Nitrogen

• Hydrogen

• Oxygen

What are lymph nodes responsible for during an infection?

• Producing antibodies

• Storing nutrients

• Filtering blood

• Swelling and fighting infection

Where is the spleen located in the body?

• Right upper abdomen

• Left upper abdomen

• Lower back

• Chest cavity