Skeletal System Flashcards
Our bones protect delicate organs in our body, especially the ______, _____, and _______
Brain, lungs, and heart
Our bones give our body _____
Shape
Our bones also make _____ ___
Blood cells
Blood cells are found in _____ bone marrow
Red
Fat is stored in _____ bone marrow
Yellow
Fats are also called _____
Lipids
Calcium helps are heart to ____ and our mind to _____
Beat, think
Calcium is taken into our body in a material called _______ _____
Calcium salts
Calcium helps make our bones sturdy and ____
Strong
Milk, cheese, and yogurt contain _____
Calcium
Other foods that contain calcium are ______
Spinach, salmon, ice cream
90% of calcium stored in our homes is out there by the time we are ___ years old
18
__________ results in weak bones with holes in them
Osteoporosis
Vitamin __ also makes are bones strong
D
Our bodies can make vitamin d while in the _______
Sunlight
When you don’t get enough vitamin d you get a disease called _____
Rickets
When someone doesn’t get the right nutrients they are suffering from ______
Malnutrition
Another mineral in our body is ________ we get it by eating cereal, fish, and _______ vegetables
Phosphorus, and green
The outside bone is a tough membrane called ________
Periosteum
Your body is constantly tearing down old bone and building new bone, that’s called _______
Remodeling
The next layer of bone is called _______ this is mostly what we look at when we see a skeleton
Compact bone
Compact bone is made of calcium right tough fibers called ______
Collagen
A network of tunnels that is strong interconnected patterns designed to withstand pressure is ______ bone
Spongey
A hallowed out cavity filled with fluid is called ____ ______
Bone marrow
Red bone marrow dies of old age after __ months
4
Without fat in your diet, their would be no _____ _______
Cell membrane
The Greek word osteon means ____
Bone
Our cells make new bone called ______
Osteoblasts
Osteon last need _____
Exercise
Protein makes _____
Collagen
Our bones grow in special places called __________
Growth plates
In long bones growth plates are near the ____ of the bone
End
A firm resilient substance that stacks up on our growth plates is ______
Cartilage
Cartilage absorbs _____ well
Shock
When a baby is born they will have about ____ bones
300
An adult only has ___ bones
206
The longest bone in the body is the _____
Femur
The tiniest bone is in our ear, it is the ______
Stapes
The scientific name for the hammer is _____
Malleus
The scientific name for anvil is _____
Incus
The scientific name for stirrup is _____
Stapes
The stapes is only _____ mm long
2.5
Long bones in our bones are in our ____,_____,____,____
Arms, legs, fingers, and toes
Short bones are in our _____&_____
Wrists and ankles
Flat bones are in our ____
Skull
Our ribs and sternum are also ____ bones
Flat
Sesamoid bones are small bones found in our _____
Hands
One bone in our neck that is not connected to any other bone is the _____
Hyoid
Bones are connected by a special tissue called _____
Ligaments
Our cranium is made of how many boneS?
8
Where a bone meets is called a what?
Joint
Joints in our cranium are called what?
Sutures
Our Mandible is located where?
Our lower jaw
Our neck has how many vertebrae ?
7
The vertebrae in our neck are called ______ vertebrae
Cervical
There are how many theocratic vertebrae?
12
We have how many lumbar vertebrae?
5
We have how many ribs on each side?
12 (24 total)
Scientists call your fingers _____
Digits
Your hips are called your _____
Coxae
Hinge joints are in our elbows and ___
Knees
Hinge joints can only open and _____
Shut
Our hips and shoulders have ball and socket joints which can move up down back and forth and ____
Rotate
Saddle joints are in our ankles they have less locomotion than a ______ joint
Ball and socket
Plane joints are in our ____, they allow our back to bend and ____
Vertebrae & twist
Pivot joints connect our skull our ____
Vertebrae column
Ellipsoidal joints connect our ______ to our metacarpals
Phalanges
Ellipsoildal joints can move forward & backwards, but not _____
Rotate
If we didn’t have any form or structure we would look like a ______
Blob on the ground
