What job does the heart do for the body?

A student breathes in before blowing up a balloon. What job do the lungs do?

Which organ keeps you breathing even while you sleep by sending signals to the muscles that move air in and out of the lungs?

What does the stomach mainly do after food is swallowed?

After food leaves the stomach, which long, coiled organ does it move into next?

What job do the kidneys do?

The liver helps the body handle substances in blood. What is one job of the liver?

What is a major job of the skin?

What job do bones do in the body?

What job do muscles do?

A soccer player sprints across the field and needs more air. Which organs are working harder to bring in air?

After lunch, nutrients from digested food must pass into the body. Which organ does most of that absorbing?

You touch a warm mug and quickly pull your hand away. Which organ senses the warmth on your hand?

A student solves a puzzle and remembers the answer from yesterday. Which organ is doing this work?

A runner's pulse gets faster after a race. Which organ is beating faster to move blood?

A person drinks water, and extra water later leaves the body as urine. Which organs helped filter it from blood?

A gymnast holds a pose with straight legs and lifted arms. Which body parts give firm support under the muscles?

When you chew and swallow a cracker, which organ churns the food soon after it reaches the belly?

A student lifts a backpack from the floor. Which body parts pull on bones to make the arms move?

A doctor checks a patient's blood for substances the body must process. Which organ does much of this processing?

Which pair works together to move blood and bring in air for body tissues?

Each time you breathe in, air rushes into your chest. Which pair of body parts works together to do this?

Which body parts work together to let you kick a ball?

Which organs work together to remove wastes from blood and carry the cleaned blood onward?

Which organs help you notice a sharp object and move your hand away?

Nutrients taken in from food travel in the blood to a large organ that processes them. Which pair of organs works together to do this?

Which organs help protect the soft organs inside the chest?

When a student walks, the legs bend at places where two bones meet. What are these places called?

Which organs work together to turn a sandwich into usable nutrients?

The heart pumps blood, but it does not make it. Which body parts make new blood cells inside them?

The heart makes blood for the body.

The lungs move air in and out of the body.

The small intestine absorbs most nutrients from digested food.

The stomach does all of digestion by itself.

What organ sends messages that help your body react to sounds, sights, and touch?

A student washes muddy hands after playing outside so germs cannot get inside the body. Which organ forms the protective covering that helps keep germs out?

A student drinks a big glass of water. The kidneys remove the extra water and wastes from the blood. What do the kidneys make from them?

Which organ mixes food with a strong acid that helps break it down and kills many germs?

What large organ makes bile, a juice that helps the body digest fats?

What part of the skeleton forms a hard case around the brain?