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Science Vocabulary

Across
Layer of bone tissue that has many small spaces and is found just inside the layer of compact bone
A connective tissue that is more flexible than bone and that protects the ends of bones and keeps them from rubbing together
Hard and dense, but not solid, bone tissue that is beneath the outer membrane of the bone
Any chemical or signal in the environment that can make an organism react in some way
A group of organs that work together to perform a major joints
An action or change in behavior that occurs as a result of a stimulus
A muscle that is not under conscious control
A body tissue that carries electrical messages back and forth between the brain and other parts of the body
A body tissue that provides support for the body and connects all its parts
In humans, the 26 bones that make up the backbone
Down
A body tissue that contracts,or shortens, making body parts move
The reaction of a person's body to potentially threatening, challenging, or disturbing events
The process by which nutrient molecules pass through the wall of the digestive system into the bloodstream
A muscle that is under conscious control
A muscle that is attached to the bone of the skeleton and provides the force that moves the bones; also called striated muscle
A body tissue that covers the interior and exterior surfaces of the body
To represent or give account of in words