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Science

Across
The soft connective tissue that fills the internal spaces in bone
A strong connective tissue that holds bones together in movable joints
Substances in food that provide the raw material and energy needed for an organism to carry out its essential processes
Involuntary muscle found inside many internal organs
A condition resulting from a loss of minerals in which the body's bones become weak and break easliy
A body structure that is composed of different kinds of tissue that work together
To perceive to be something previously
Down
An organ that produces and releases chemicals either through ducts or into the bloodstream
To show or establish logical or causal connection between
A strong connective tissue that connects muscle to bone
To establish the identity of
To observe or study by close examination and systematic inquiry
The inner framework made up of all the bones of the body
Involuntary muscle tissue found only in the heart
A chemical produced by an endocrine gland
A place in the body where two bones come together