Excretory
What does the excretory system do?
Removes wastes from the body
What organ pumps blood through the body?
Heart
Which gas do we breathe in to stay alive?
Oxygen
What is the first step of digestion?
Chewing (in the mouth)
What protects the heart and lungs?
Rib cage
Which organs filter waste from the blood?
Kidneys
What are the blood vessels that carry blood away from the heart called?
Arteries
Which organs take in oxygen and release carbon dioxide?
Lungs
What does the digestive system do?
Breaks down food for energy
What type of muscle do you control on purpose?
Voluntary muscle
What liquid waste is stored in the bladder?
Urine
What are the blood vessels that carry blood back to the heart called?
Veins
What tube carries air from the nose and mouth to the lungs?
Trachea (windpipe)
Which organ absorbs water from leftover food?
Large intestine
What do we call the places where bones meet?
Joints
What tube carries urine from the kidneys to the bladder?
Ureters
What does the circulatory system deliver to cells? (2 possible answers - just name one)
Oxygen and nutrients
What gas do we breathe out?
Carbon dioxide
What organ churns food and mixes it with acid?
Stomach
Muscles work in pairs, if someone flexes their bicep, that muscle is contracting, what is happening to the tricep?
It relaxes
Why is the excretory system important?
It removes waste and keeps the body balanced
What part of the blood helps fight germs?
White blood cells
Which muscle helps the lungs expand and contract?
Diaphragm
Where does most digestion and nutrient absorption happen?
Small intestine
What connects muscles to bones?
Tendons