Skeletal System Basics
How many bones are in the human body?
206
What is a joint?
A place where 2 or more bones meet
What is bone marrow?
soft connective tissue that is found in the spaces within the bones
How do muscles cause movement?
by contracting and pulling on the bones they are connected to.
About how many muscles are there in the human body?
about 600
What is attached to our bones to aid in movement?
muscles
What are the two types of joints we covered?
movable and immovable
What are the two types of bone marrow?
red and yellow
How does the skeletal system work with the muscular system?
muscles attach to bones to help them move.
What are the 3 types of muscles?
skeletal, smooth, cardiac
protection, support/shape, movement, produce red blood cells
Give one example of a movable joint
elbow, knee, shoulder, hip, wrist, neck, lower jaw, ankle, etc
What does red marrow do?
produces blood cells
How does the circulatory system work with the circulatory system?
skeletal system produces blood cells, circulatory system pumps the blood to the rest of the body.
Skeletal
What minerals make up the hard outer covering of bones?
phosphorus and calcium
give one example of a non-movable joint.
skull, upper jaw
What does yellow bone marrow do?
Stores fat for energy
How do muscles help the digestive system?
Digestive tract organs have muscle tissue that contract and move food through the digestive tract.
Which type of muscle is involuntary?
Smooth and Cardiac
Why is exercise important to bone health?
Exercise causes old bone to break down and new healthy bone to be made, thus strengthening the overall bone.
What is cartilage and what is its function?
it is a soft connective tissue; provides cushion at the joint ( shock absorber )
Where is spongy bone found?
at the ends of long bones
What is homeostasis?
Balance within the body
Where is Cardiac muscle found and what is its job?
in the heart, to pump blood.