Human Body Systems

Villi are found in which body system?

Arteries are found in which body system?

When you exhale or breathe out, your body releases _____________.

The stomach is an organ that __________.

What is peristalsis?

What system of organs brings oxygen into your body?

Materials your body cannot use are called?

Which system breaks down food into minerals that your body can use?

Enzymes in your saliva change ____________________.

The circulatory system connects ___________________.

Where does gase exchange occur in your lungs?

Why do we need oxygen in our cells?

The heart pumps ________.

The esophagus __________________________.

Where does absorption take place in your digestive system?

Connective tissue that connects bone to bone

System that is responsible for producing hormones

Where does your heart pump deoxygenated blood?

Small food particles travel from here into the blood.

Where does digestion start?