Where does gas exchange take place in the circulatory system?

Which of the following is a function of the bones?

Which type of blood vessels carries blood away from the heart?

Which part of the respiratory system brings air from the nasal cavity to the bronchi?

Part "C" in the diagram represents a(n)...

Which organ carries urine from the kidneys to the bladder?

The location of nutrient absorption in the digestive system is...

The part of the respiratory system that allows us to inhale and exhale by relaxing and contracting is ...

Muscle that help to move blood and food through the body are...

The part of the brain that controls voluntary actions is...

The central nervous system is made of...

A group of organs work together to make a(n)...

The part of the digestive system that mechanically breaks down food with churning and chemically breaks food down with gastric juices is...

What part of the excretory system that is responsible for filtering urea and excess water out of the blood...

Connective tissue that connects bone to bone is...

Which part of the digestive system is labeled "A" and is responsible for producing bile?

What is the role of the organ labeled "B" in the diagram?

What tube is also known as the windpipe?

Which organ in the digestive system is responsible for absorbing water and preparing solid wastes for removal?