Bone Basics
What is inside of a long bone?
Bone Marrow
To breathe and keep air flowing
What tissue connects skeletal muscle to bone?
What is the largest joint in the human body?
The Knee
True or False: Cartilage is harder and more rigid than bone.
False, Cartilage is flexible.
What kind of bone is a short bone?
Spongy Bone
What is the purpose of the trachea?
Carries air to the chest
What connects bone to bone in an animal's body?
Ligaments
How often does the skeletal system "remodel" itself?
Every 7 years
What is the common name for the patella?
The Kneecap
Around 300
What is the dome-shaped muscle under your lungs that helps you breathe?
The Diaphragm
What is the scientific name for the shoulder blade?
Scapula
What do you breathe in most?
Nitrogen
How many bones are in each adult foot?
26 bones in each
How many bones are in the adult human body?
206
What are the tiny, balloon-like air sacs where oxygen and carbon dioxide are exchanged called?
The alveoli
What are the three main functions of the skeletal system?
Support, movement, and protection
How many bones are in each human hand?
27... (54 bones total)
What is the name of the tiny, hair-like structures in your nose and airways that sweep away dirt and mucus?
What is the largest bone in the body?
Femur
Which part of the brain controls unconscious, automatic breathing?
The Brainstem
What 2 places hold more than half of the bones in a human body?
Hands and Feet
Approximately what percent of the adult body weight is made from bones?
14%
Stapes (stirrup)