Marissa is making a list of the parts of her body that help her sense the world around her. She knows that her eyes take in light so she can see. Which organ has nerve endings so that she can take in information such as textures and air temperature?

What is the function of the human skeleton?

When Bryce decides to get up and move to another room, he is counting on his body to communicate those messages to his muscles. Which of the following organs is responsible for communicating and controlling the actions of Bryce's movements?

In order to provide oxygen and remove carbon dioxide, air must be pumped into and out of which of the following organs?

An organ system is made up of all the organs in the human body that work together to do a specific job, such as the circulatory system. The heart is part of the circulatory system. What is the main function of the heart?

The nutrients in digested food are absorbed into the bloodstream in which of the following organs?

The stomach, liver, intestines, and pancreas are all organs in the same body system. What is the main function of the stomach?

Which human organ filters all the body’s blood, removes waste, and regulates body fluids?

Each organ performs a function necessary for a healthy, active, human body. The organ responsible for filtering the blood from the digestive tract before sending it to the rest of the body is which of the following organs?

Two sac-like organs that hold oxygen

The organ that coordinates your body’s activities

The skeletal system has many functions. Which of the following body functions does the skeletal system not do?

What is this body part?

What is this body part?

What is this body part?

What body part is shown here?

What body part is shown here?

What body part is shown here?

Which body part is shown here?

Which body part is this?

Which body part is this?

Which body part is this?

Which body part is this?

Which body part is this?

Which body part is this?

Which part of the body is this?