An organ system that consists of blood vessels and organs that transports blood to the cells in the body.

A type of tissue found between other tissue types and organs which provides support for the body.

A disease which affects how the body turns food into energy which may prevent glucose from leaving the bloodstream and entering the cells of the body

An organ system which consists of the organs and structures that process food in the body and turn it into nutrient molecules.

A type of tissue that covers all the surfaces of the body, inside and out; forms the skin, lining of the mouth, and digestive tract

The organs and structures responsible for the elimination of waste from the body.

A specialized tissue found in animals which functions by contracting and relaxing, thereby allowing the body to move.

An organ system that gives shape to the body and allows it to move; made up of skeletal muscles, smooth muscles, and cardiac muscle.

The organ system that controls all the activity inside the body as well as monitoring and responding to the outside environment.

A type of tissue that carries electrical messages back and forth between the brain and every other part of the body.

A group of different kinds of tissues working together to perform the functions in a multicellular organism.

A group of organs working together to perform complex functions in a multicellular organism.

An organ system that consists of the organs and structures that transport oxygen to the red blood cells and get rid of carbon dioxide from the body.

A type of cell that has a specific role to perform and has special features that allow it to conduct these functions.

A group of related kinds of cells working together to perform specific functions; exists only in multicellular organisms.