The endocrine system controls and regulates physiological processes in the body via electrochemical signals

Mitochondria are the powerhouse of the cell and is the site of cellular respiration

A blood cell can explode if placed in a hypotonic solution

Calcitonin is released from the thyroid gland and helps to reduce blood calcium levels

Atoms are the smallest units of matter and are composed of protons, neutrons, and electrons

Nervous tissue is responsible for control and regulation in our bodies 

The emptiness or fullness of an atoms valance shell governs its ability to chemical bind to other elements and molecules

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Enzymes support chemical reactions by reducing the amount of activation energy required to initially break chemical bonds

Muscle tissue is responsible for movement in our bodies (substances and limbs)