Show:
the skeletal system
joints
calcium
100
Bones meet at joints
where do bones meet?
100
a joint is the place where bones connect
what is a joint?
200
206 bones are in the skeletal system
how many bones are in the skeletal system?
200
1. gliding joint 2. hinge joint 3. Pivotal joint 4. ball and socket joint
what are the four types of joints?
200
Teens lose bone density because their diets dont provide nutrients that they need
why do teens especially girls lose bone density?
300
round bones, curved bones, ribs, illium
name some shapes of bones
300
allows bones to glide over one another ex: neck, wrist and feet
what is a gliding joint?
300
osteoporosis is a bone disease that increases the risk of fractures breaks and cracks from weakened bones.
what is osteoporosis?
400
bones come in all shapes and sizes
what do bones come in?
400
it moves back and fourth
What is a hinge joint?
400
cheddar cheese, yogurt, cheese
what dairy products can you eat if you are lactose intolerant?
500
half of these bones are in the hands and feet
what is half of these bones called?
500
it helps move head up and down
What is a ball and socket joint?
500
it ensures normal cell function, helps release hormones
why do we need calcium?