BODY SYSTEMS CIRCULATORY SYSTEM DIGESTIVE SYSTEM RESPIRATORY SYSTEM

BODY SYSTEMS CIRCULATORY SYSTEM DIGESTIVE SYSTEM RESPIRATORY SYSTEM

CIRCULATORY SYSTEM

CIRCULATORY SYSTEM • The circulatory system moves blood • Blood gives our body nutrients and oxygen

CIRCULATORY SYSTEM • Blood goes from the heart around the body

THE HEART • The heart is divided into four parts: • The left and right atriums • The left and right ventricles

CIRCULATORY SYSTEM • Blood passes through the arteries and veins.

RESPIRATORY SYSTEM

RESPIRATORY SYSTEM • The respiratory system is a group of organs that work together to help us breathe

RESPIRATORY SYSTEM • We breathe in air through our nose and mouth

RESPIRATORY SYSTEM The air goes down into our lungs AIR

RESPIRATORY SYSTEM • Oxygen is passed to the circularory system • We breathe in oxygen (O 2) • We breathe out carbone dioxide (CO 2)

DIGESTIVE SYSTEM

DIGESTIVE SYSTEM • The digestive system is a group of organs that work together to help us digest food

DIGESTIVE SYSTEM • We take in food through the mouth

DIGESTIVE SYSTEM • Food passes down into our stomach and intestine STOMACH INTESTINE

DIGESTIVE SYSTEM • The intestine separates the nutrients from the waste

DIGESTIVE SYSTEM • The intestine expels the waste from our body • The nutrients are passed to the circulatory system, where they move around the body