What is the main function of the digestive system?
Break down food and absorb nutrients
What is one major function of the immune system?
Fight pathogens and disease
What gas does the body need to breathe in?
Oxygen
What is the main function of the skeletal system?
Provide support and protect organs
What is the main function of the circulatory system?
Transport blood, oxygen, nutrients, and wastes
Where does digestion begin?
Mouth
Endocrine=
Hormones
What is the main function of the respiratory system?
Circulate oxygen through the body and gas exchange
What connects muscles to bones?
Tendons
What carries oxygen through the body?
Blood
Which organ churns food and mixes it with digestive juices?
Stomach
Which gland is often called the "master gland"?
Pitituitary
What gas does the body get rid of when you exhale?
Carbon dioxide
Which organ is protected by the skull?
Brain
Which blood vessels carry blood AWAY from the heart?
Arteries
Where are most nutrients absorbed into the bloodstream?
Small intestine
True or False: The immune system helps protect your body from infections
True
What is occurring when we inhale and exhale?
Gas Exchange
What is the main job of the muscular system?
Movement
Which blood vessels carry blood TOWARD the heart?
Veins
What is the main job of the large intestine?
Absorbs water and creates waste
What are hormones?
Chemical messengers that help control body functions
What muscle helps the lungs expand and contract during breathing?
Diaphragm
What connects bones to other bones?
Ligaments
Which organ pumps blood throughout the body?
Heart