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Science Bone/Muscle Test
N/A
24
Science
8th Grade
04/04/2010

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Cards

Term
How many bones are in the body?
Definition
206
Term
How many muscles are in the body?
Definition
over 650
Term
3 major jobs of skelton system?
Definition
- provide shape/support
- protect organs
-work with muscles to move
Term
2 minor jobs of skelton system?
Definition
-make blood cells
-store minerals and fat cells
Term
4 parts of skelton system?
Definition
-ligaments
- bones
- cartilage
- joint
Term
What does red bone marrow make? (3)
Definition
- red blood cells
- white blood cells
- blood platlets
Term
Yellow bone marrow stores _______?
Definition
Fat Cells
Term
The point where 2 bones meet?
Definition
Joint
Term
A ligament connects ______ to ______?
Definition
bone to bone
Term
Name 5 joints and example.
Definition
- Ball/Socket - arms
- hinge - knees
- gliding - spine
- pivot - head
- fixed - skull
Term
Where is Cartilage found? (3)
Definition
- ends of bones
- between bones
- on ears/nose
Term
What does crtilage do? (3)
Definition
- protects bone
- give shape to bone
- give flexiblity
Term
4 things that make up bone
Definition
- minerals
- water
- protein
- living matter
Term
The 4 layers of the bone. (inside out)
Definition
1. marrow
2. spongy bone
3. compact bone
4. perisoteum
Term
What are the 4 shapes of bones? (example)
Definition
- flat bones - ribs
- long bones - femur
- short bones - ankle
- irregular - vertabra
Term
What is the basic unit of a muscle?
Definition
Muscle Cell
Term
What are the 2 kinds of protein filaments in muscle?
Definition
- actin
- myosin
Term
Muscle are formed from groups of ___________?
Definition
Muscle Fibers
Term
2 groups of muscle
Definition
Voluntary/Involuntary
Term
What is an involuntary muscle?
Example
Definition
A muscle you can't control
- heart/lungs/ect.
Term
What is an voluntary muscle?
Example
Definition
A muscle you can control
- arms/lungs/fingers/ect.
Term
Striated Muscle look like they have _______
Definition
stripes
Term
Visceral muscles are thin with cells that look like?
Definition
Spindles
Term
An involuntary muscle found only in the heart?
Definition
Cardiac Muscle
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