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Science Chapter 1 Unit G
Science Chapter 1 Unit G
21
Science
5th Grade
04/29/2013

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Term
bone
Definition
The hard tissue that forms the skeleton.
Term
cartilage
Definition
tough, flexible tissue that is part of the skeleton
Term
joint
Definition
the place where two bones meet
Term
strain
Definition
an injury in which a muscle or tendon is torn slightly or stretched too far
Term
fracture
Definition
a break or crack in a bone
Term
sprain
Definition
an injury in which the ligament at a joint is torn or twisted
Term
cardiac muscle
Definition
involuntary muscle tissue that makes up the heart
Term
skeletal muscle
Definition
voluntary muscle tissue; also, one of the muscles that moves bones
Term
skeletal system
Definition
the system of bones and tissue that supports and protects the body
Term
smooth muscles
Definition
involuntary muscle tissue that lines the inside of blood vessels, intestines, and other organs
Term
ligaments
Definition
a band of strong tissue that connects bones and holds them in place
Term
tendon
Definition
a strong cord of tissue that joins a muscle to a bone
Term
cartilage
Definition
____ is found in the nose, ears, and tip of the breastbone.
Term
blood cells
Definition
Bone marrow produces ____.
Term
206
Definition
The human body contains ____ different bones.
Term
bone
Definition
A ____ is a living tissue with a complex structure.
Term
breastbone
Definition
Another word for sternum is ____.
Term
Bones meet at joints, which allow movement.
Definition
How do bones allow the body to move?
Term
1. The skull protects the brain
2. ribs protect the heart
3. vertebrae protect the spinal cord
4. pelvis protects the reproductive organs
Definition
Name 4 bones that have important jobs of protecting the body, and what do they protect?
Term
Bones form the skeleton, they allow movement, support the body, and protect the inner organs.
Definition
What do bones do?
Term
Cartilage is a smooth, flexible material. Bone is more rigid and contains more minerals than cartilage.
Definition
How are bones and cartilage different?
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