Human Body Systems

What is the function of the digestive system?

• It transports blood and oxygen to your cells

• It breaks down food so the nutrients can be absorbed by your body

• It helps you breathe by taking in oxygen and transporting carbon dioxide out of your body

• It helps you move

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What is the function of the muscular system?

• The function is movement of the body through muscles

• The function is to get rid of waste

• The function is to process food for nutrients and energy

• The function is to protect you against disease

What is the function of the cardiovascular / circulatory system?

• To provide nutrients to the whole body

• To maintain homeostasis for the body

• To fight off infection or disease

• To transport nutrients, oxygen, and blood throughout the body

A student visits the doctor for a yearly checkup. Her doctor notes that her blood pressure is high and her ankles and feet are swollen due fluid build-up in her body. Based on the

evidence, which TWO organ systems may NOT be functioning properly.

• the digestive system, due to the swelling of her ankles, and the circulatory system, due to her high blood pressure.

• the excretory system, due to her body’s inability to remove liquid waste, and the circulatory system, which is not properly pumping blood or carrying materials throughout her body.

• the respiratory system, due to her high blood pressure, and the muscular system, which has affected her bladder’s ability to remove liquid waste from her body through urination.

What is the function of the immune system?

• To digest food

• To fight against pathogens and diseases

• To help you breathe

• To remove waste from the body

What is the function of the nervous system?

• Controls all parts of the body; sends signals between the brain, spinal cord, and nerve endings

• What happens when you get nervous to do something

• To fight off diseases

• To carry oxygen, nutrients, and blood throughout the body

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What is the function of the respiratory system?

• To digest your food

• To remove waste from the body

• To take in oxygen and remove carbon dioxide

• To fight disease

What is the function of the excretory/urinary system?

• Removes liquid waste from your body

• digests food

• helps you breathe

• circulates your blood

True or False: Your respiratory system uses your nose and mouth only to remove oxygen and take in carbon dioxide

• True

• False

You’re sick, but no one is home. You need soup and Gatorade. You get enough strength to leave your bed and go make soup. What body systems are working together to help you move and fight disease?

• excretory and digestive

• muscular and immune

• skeletal and immune

• immune and digestive