Levels of Organization Quiz

What is the primary role of nerve cells in multicellular organisms?

• To transport oxygen

• To transfer messages using electrical energy

• To contract and relax for movement

• To protect the organism from external sources

Which type of tissue is responsible for sending electrical signals throughout the body?

• Blood tissue

• Nervous tissue

• Epithelial tissue

• Muscle tissue

What is the main function of the stomach in the human body?

• To digest food and send it to the small intestine

• To bring oxygen into the body

• To interpret information from the outside world

• To pump blood

Which system is responsible for breaking down food into nutrients?

• Cardiovascular system

• Muscular system

• Digestive system

• Skeletal system

What is the role of the skeletal system in the body?

• To send electrical signals

• To provide a frame for support and protection

• To break down food

• To pump blood