Human Body Systems

The chart shows structures that work together in an organism. What do the structures as a whole represent?

• organ

• organ system

• organism

Which body system takes in oxygen and exchanges it for carbon dioxide?

• Respiratory

• Immune

• Digestive

• Nervous

Which body system breaks down food into nutrients for energy?

• Respiratory

• Immune

• Digestive

• Nervous

Which system sends signals to the body through the nerves?

• Respiratory

• Immune

• Digestive

• Nervous

Which body system defends the body from disease causing organisms?

• Respiratory

• Immune

• Digestive

• Nervous

The ________ system makes red blood cells.

• Respiratory

• Muscular

• Skeletal

• Immune

Red blood cells are oxygenated by the ___________ system.

• Skeletal

• Respiratory

• Muscular

• Immune

Red blood cells are transported to all parts of the body by the ___________ system.

• Skeletal

• Respiratory

• Circulatory

• Immune

Which two body systems work together when the diaphragm contracts and relaxes, causing air to move in and out of the lungs?

• Respiratory and Immune systems

• Respiratory and Muscular Systems

• Circulatory and Muscular systems

• Immune and Nervous Systems

In the lungs, carbon dioxide and oxygen are exchanged in tiny sacs that are covered in capillaries. Which two body systems are working together to complete this exchange?

• Respiratory and Immune Systems

• Respiratory and Circulatory Systems

• Nervous and Immune Systems

• Digestive and Respiratory Systems