Body parts that start with R

Parts of your body. Not all of these are human parts - people don't have tails and wings but they still qualify as body parts!

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The radius is one of the bones in your arm. It is found in the lower arm, between the elbow and the wrist.

The radius helps you move and rotate your hand. When you turn your palm up or down, the radius and the ulna work together.

Ris forRectum

Your rectum is the last section of the large intestine in humans.

The rectum stores solid waste before it leaves the body. Waste moves from the colon into the rectum, then leaves through the anus during a bowel movement.
The respiratory tract is all the body parts that help you breathe. It is the path for air to move in and out of your body.

It includes the nose, throat, windpipe, and lungs. Air goes in through the nose, then down the windpipe to the lungs. In the lungs, oxygen goes into the blood and carbon dioxide leaves the body when you breathe out.

Ris forRetina

The retina is a thin layer of tissue at the back of the eye. It helps you see by turning light into signals that go into your brain.

The retina is connected to the brain through the optic nerve. When light enters your eye, the retina receives it and sends images as electrical signals. You can find the retina lining the inside surface at the back of each eye.

Ris forRibcage

Your ribcage is the bony frame that supports your chest. It helps protect the heart and lungs. You can feel it under the skin on the upper body.

The ribcage is made of ribs, which curve from the spine to the breastbone.

Ris forRibs

Your ribs are the bones that make the shape of your chest and torso. You can see the ribs clearly on a person or animal that is underweight.
Your ring finger is the fourth finger from the thumb.

You can find it between the middle finger and the little finger. People often wear wedding bands or other rings on this finger. Wedding rings are worn on the ring finger on your left hand.

Ris forRump

An animal's rump is its fleshy hindquarters, bottom or buttocks. A cut of meat taken from an animal's rump may have the same name, for example rump steak.