Science: Human Body Systems

Which body system has to do with hormones?

The esophagus __________________________.

Small food particles travel from here into the blood.

Materials your body cannot use are called?

The heart has how many chambers?

Which blood cells fight infections?

Which body system includes the brain, spinal cord and nerves?

A dead or weakened pathogen that is injected into a person is called a

The bladder stores?

The kidneys are part of the _______________ system.

What is peristalsis?

The circulatory system transports

What system of organs brings oxygen into your body?

What is a male sex hormone?

Where does your heart pump deoxygenated blood?

Where does digestion start?

Enzymes in your saliva change ____________________.

Arteries are found in which body system?

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

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

Villi are found in which body system?

The heart pumps ________.