Skeletal System
What are two main functions of the skeletal system?
Providing support for the body and protecting internal organs
What is the difference between voluntary and involuntary muscles
You control voluntary muscles, but involuntary muscles work automatically
What are the two main divisions of the nervous system?
The Central Nervous System and the Peripheral Nervous System
Any type of break in a bone
What part of the bone produces red blood cells?
Red bone marrow
What are the 3 types of connective tissue?
Cartilage, ligaments, and tendons
What are the 3 types of muscle tissue?
Smooth, skeletal, and cardiac muscle
What are the basic cells of the nervous system called?
Neurons
What is osteoporosis?
A condition where bones become weak and can break easily
What is the largest and most complex part of the brain?
The cerebrum
What is the difference between a ball-and-socket joint and a hinge joint?
Ball-and-socket allows for rotation in all directions; hinge joints only allow for bending and straightening
Where is the cardiac muscle found?
Only in the walls of the heart
What are the 3 main parts of the brain?
The cerebrum, cerebellum, and brain stem
What is Parkinson’s?
A disorder that causes shaking and makes it hard to control movement.
What is the term for a strong, flexible tissue that acts as a cushion between bones?
Cartilage
What is the main job of a ligament?
To connect bone to bone at a joint
What is one way to care for your muscles?
Regular exercise or eating a healthy diet
What does the cerebellum control?
Balance, posture, and coordination
What is scoliosis?
A side-to-side curvature of the spine
What are sensory neurons?
Nerves that carry messages from the body to the CNS
Name the four types of joints.
Ball and-socket, hinge, pivot, and ellipsoidal joints
What is a muscle strain?
When a muscle is stretched or partially torn
What is the job of the brain stem?
It connects the spinal cord to the brain and controls involuntary functions like breathing
What are two ways to protect your nervous system?
Wearing a helmet and avoiding drugs or alcohol
What is a reflex?
A fast, spontaneous response to a stimulus