This connects bones to bones.

This is where you chew your food.

The main organ in the nervous system.

An organ that pumps blood into your body.

The stage of development where a child's body becomes that of an adult.

This connects bones to muscles.

This connects your mouth to your stomach.

This part of the nervous system transmits information.

This part of blood carries oxygen into different parts of your body.

This is where female egg cells grow and detach once a month.

The backbone is made up of these.

This intestine comes right after the stomach.

These are connected to the spinal cord and send messages to different parts of your body.

This part of your blood fights against infections.

This is another word for periods.

This contracts when you bend your arm.

In this intestine, the water is absorbed into the bloodstream.

These cells specialize in sensing information and sending it to our brains.

This part of your blood helps blood coagulate.

This is where male sperm cells are produced.

The longest bone in your body and located in your thigh.

This organ is also important to digestion.

This is how messages travel through the nervous system.

This carries blood away from the heart.

This connects a growing fetus to its mother and transports food and oxygen to the fetus.