Skeletal system
What are the three layers of bone?
Compact bone, spongy bone, and bone marrow
Which type of muscle is found in the body's organs?
Smooth muscles
Which set of organs is responsible for exchanging oxygen and carbon dioxide?
The lungs
What are the 3 different types of joints?
Ball and socket joint, hinge joint, and gliding joint
What is the difference between voluntary and involuntary muscles?
Voluntary muscles you can move when you want. Involuntary muscles work automatically in your body.
What is the purpose of cilia?
Cilia move back and forth to clean the air coming into the body, filtering the air we breath.
What are some examples of hinge joints?
Elbows, knees, and fingers
What types of muscles are voluntary?
Skeletal muscles are voluntary
Air travels through your nose or mouth, down your windpipe which is called?
The trachea
What does the ribcage protect?
The ribcage protects the heart and lungs from damage.
Skeletal muscles work in pairs to create movement. How do they work together to move?
When one muscle contracts, the other relaxes.
What can we do to maintain a healthy respiratory system?
Get exercise and avoid harmful substances in your lungs.
What are the TWO functions of our skeleton?
To protect your organs and give your body shape.
What is the name of our shoulder muscles?
Deltoids
What does the diaphragm do to help us take in oxygen?
The diaphragm contracts, pulling the lungs down allowing them to expand and fill with air.