Body Systems Schoolnet

Which example best shows structures that make up the digestive system in the human body?

• A. heart, blood, vessels
• B. nose, trachea. lungs
• C. brain, spinal cord, nerves
• D. esophagus, stomach, intestines

Which body system processes foods into a useable source of energy?

• A. circulatory
• B. digestive
• C. nervous
• D. skeletal

Why do multicellular organisms need transport systems?

• A. Most have cells that are not able to exchange gases with the outside environment.
• B. Most have cells that are unable to grow and survive in their environment.
• C. Most have cells that need food from sources outside their environment.
• D. Most have cells that require more energy to survive than single-celled organisms.

Which is a function of the cardiovascular system?

• A. to move water throughout the body
• B. to provide structural support for the body
• C. to eliminate waste from the body
• D. to transport gases throughout the body

Which body system sends electrical signals to all other body systems?

• A. circulatory system
•  B. digestive system
• C. muscular system
• D. nervous system

Which system of the human body provides protection to most of the major organs?

• A. skeletal system
• B. circulatory system
• C. respiratory system
• D. muscular system

Bone cells need nutrients.  Which two systems get nutrients to bone cells?

• A. the digestive and the circulatory system
• B. the circulatory and the respiratory
• C. the respiratory and the skeletal system
• D. the skeletal system and the digestive system

Which two human body systems are most responsible for getting oxygen to cells?

• A. digestive and skeletal
• B. skeletal and circulatory
• C. circulatory and respiratory
• D. respiratory and digestive

Which is an example of a single-celled organism?

• A. fish
• B. tree
• C. fungi
• D. human

Which body system carries signals to and from the brain?

• A. respiratory
• B. circulatory
• C. nervous
• D. skeletal