Skeletal System

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How many bones make up your skeleton?

206

osteoporosis

a condition characterized by brittle and porous bones. it develops because of long-term deficiencies of calcium and certain hormones, insufficient vitamin D, and lack of exercise

marrow

a soft tissue in the center of some bones

Where can you find a pivot joint?

between the neck and head

The Skeletal System is made up of three parts:

bones, joints, connective tissues

What is essential for building and maintaining strong bones?

calcium

What is strong, flexible tissue that provides cushioning at your joints?

cartilage

What are the 3 types of connective tissues?

cartilage, ligaments, and tendons

What is the function of ligaments?

connect bones in each joint

ligaments

cordlike tissues that connect the bones in each joint

Where can you find a hinge joint?

knees and elbows

What helps keep your spine healthy?

good posture while sitting, standing, and walking

What is the function of a gliding joint?

helps bones slide over each other without twisting

What are the 4 types of joints?

hinge, gliding, pivot, and ball-and-socket

What is a tissue in the center of some bones?

marrow

What are the 5 functions of bones?

protect organs, provide support, produce blood cells, provide a strong, stable framework, and store minerals

You should always use _____

protective gear

What are the functions of the skeletal system?

provides a strong, stable framework capable of movement, supports/protects your delicate internal organs, stores minerals (like calcium and phosphorus)

_______ makes millions of bloods cells each day

red bone marrow

What does cartilage do during movement of the joints?

reduces friction

What increases bone mass?

regular physical activity, especially weight bearing exercises (like walking/jogging)

What is a sideways curvature of the spine?

scoliosis

What is an internal system made up of bones, joints, and connective tissue?

skeletal system

Can all joints move?

some joints don't move (like the ones between the bones of the skull), and some only allow slight movement (like the ones between the vertebrae). Mobile joints allow a wide range of movement

______injuries are on the rise for teens.

sports

What are 7 things that the skeletal system allows you to do?

stand up, walk, run, jump, bend, lift, and carry

What are tough bands of tissue that attach your muscles to bone?

tendons

joint

the point at which two bones meet

tendons

tough bands of tissue that attach your muscles to bones

In what ways does physical activity contribute to the health of the skeletal system?

Exercise helps keep the bones strong

What is the difference between ligaments and tendons?

Ligaments are cordlike tissues that connect the bones in each joint, while tendons are tough bands of tissue that attach your muscles to bones

What is the function of a ball-and-socket joint?

allows bones to move in all directions

What are strong cords of tissue that connect the bones in each joint?

ligaments

Briefly describe the difference between the following skeletal problems: dislocation, sprain, and overuse injuries

Dislocation is when the bone is pushed out of the joint (tearing a ligament), while a sprain is when your ligaments are over stretched/twisted, and overuse injuries are injuries caused by the overuse of the muscles.

Jan understands the importance of eating foods rich in calcium. She is allergic to milk, however. What suggestions can you make that might help Jan?

She can have something with phosphorus, magnesium, and vitamin D instead.

skeletal system

a body system made up of bones, joints, and connective tissue

fracture

a break in a bone caused by injury

scoliosis

a disorder in which the spine curves to one side of the body (S/C curved shape) and it can cause back pain and difficulty with breathing. cause of scoliosis is unknown

Name 1 tendon you can feel

a large tendon, your Achilles tendon. It is located on the back of your leg just above your heel.

cartilage

a strong, flexible, gel-like tissue that cushions your joints

What is the function of a pivot joint?

allows movement with limited rotation

What is the function of a hinge joint?

allows the joints to move in one direction

What is the function of tendons?

attach muscles to bones

What is the function of cartilage?

cushions joints

What is a break in a bone caused by an injury?

fracture

Name 6 common skeletal system problems

fracture, dislocation, sprain, overuse injuries, scoliosis, and osteoporosis

overuse injuries

happen over time and make up about half of the sports injuries that occur in teens. EX: shin splint-common among runners or aggressive walkers

What can you do to maintain a healthy skeletal system?

have good nutrition, engage in physical activity, have good posture, and use protective gear for sports/activities that could be dangerous

Where can you find a ball-and-socket joint?

hips and shoulders

What do ligaments do for bones?

hold them in place

What are the points at which bones meet?

joints

What is a condition characterized by brittle and porous bones?

osteoporosis

In addition to movement, what are the other functions of the skeletal system?

supports/protects your delicate internal organs and stores minerals

What should you always do after a sports injury?

take time to heal completely before going back to the sport

What supports your head and upper body and protects your spinal cord?

vertebrae

What is an exercise that increases bone mass?

weight bearing exercise

dislocation

when a bone is pushed out of its joint, usually stretching or tearing a ligament

sprain

when the ligaments in a joint are stretched or twisted and causes swelling

Where can you find a gliding joint?

wrist, ankle, and connect bones in the collarbone

When at a sports practice, what is the risk of doing an exercise the coach said not to do?

you could damage a joint, tendon, ligament, or bone


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