Skeletal System
What do tendons connect?
Tendons connect bone to muscle.
Why are your muscles elastic?
To allow motion.
What does the central nervous system consist of (CNS)?
Brain and spinal cord?
What is a fracture?
A break in a bone.
What are bruises?
Areas of discolored skin that appears after an injury.
What is a joint?
Where two bones meet.
What are muscles made of?
Muscles are made of long cells called muscle fibers.
What is the peripheral nervous system made of (PNS)?
All the nerves that branch out from the brain and spinal cord.
What is the difference between flexor and extensor?
Flexor is the muscle that closes a joint, extensor is the muscle that opens a joint.
What are muscle strains?
The result of when muscles are stretched or partially torn from overexertion.
Name two functions of the skeletal system.
1. Provides support for the body.
2. Protects internal organs and tissues from damage.
3. Acts as framework for attached muscles.
4.allowing movement of limbs and digits.
5. producing new red and white blood cells.
6. storing fat and minerals, such as calcium and phosphorus.
What is cardiac muscle?
Type of strained muscle that forms the wall of the heart.
What are your nerves made up of?
Neurons, or nerve cells
What is the cerebrum?
The largest and most complex part of the brain.
What is tendonitis?
Inflammation of a tendon.
Give one example of a hinge joint.
Elbow, knee, or ankle.
What are smooth muscles?
Muscles that act on the lining of the body’s passageways and hollow internal organs.
What do neurons do?
They transmit messages to and from the spinal cord and brain.
What is ossification?
Ossification is the process by which bone is formed, renewed, and repaired.
What is hernias?
Commonly occurs in the abdomen as a result of a straining to lift a heavy object.
How many bones does the skeletal system have?
206
Where is the patella muscle located?
The kneecap.
What is the three main divisions of the brain.
The cerebrum, the cerebellum, and the brain stem
What is the brain stem?
A 3 inch long stalk of nerve cells and fibers that connects to the spinal cord to the rest of the brain.
What is muscular dystrophy?
An inherited disorder which gradually destroys the fibers of the skeletal system.