Circulatory
What carries oxygen-rich blood?
Arteries
Oxygen
What is the main function of the digestive system?
Break down food
What are the main parts of the CNS?
Brain & Spinal cord
What protects your brain?
Skull
Right atrium -> right ventricle
or
Right ventricle -> right atrium
Right atrium -> right ventricle
What gas do we exhale?
Carbon dioxide
What is mechanical digestion?
Chewing
What are involuntary reflexes?
What is the longest bone in your body?
Femur
What are the main parts of the circulatory system?
Heart, blood vessels (arteries, veins), blood
True or False: The nose warms and filters the air.
True
What does the small intestine do?
Absorbs nutrients from the food
Why are reflexes a good thing?
They keep you safe and protect you
What does the muscular system help with?
Posture and movement
Aorta
What happens when the diaphragm contracts?
Pulls air in
What does the esophagus do?
Moves food from the mouth to the stomach
How much does your brain weigh?
3 pounds
What connects bones to other bones at joints?
Ligaments
What symptoms might someone experience if they are having a heart attack?
Chest pain or pressure
Pain in arm, neck, or jaw
Shortness of breath
Nausea
Sweating
Gas exchange
What does stomach acid do?
Helps kill bacteria and activates enzymes to digest food.
How do neurons send signals?
Neurons send signals through electrical and chemical messages
What kind of joint is your shoulder?
Ball-and-Socket - rotates in all directions