1
Made up of blood vessels that carry blood away from and towards the heart.
2
A set of organs that allows a person to breathe and exchange oxygen and carbon dioxide throughout the body.
3
The system of organs responsible for getting food into and out of the body and for making use of food to keep the body healthy.
4
A passive biological system that removes excess, unnecessary materials from the body fluids of an organism.
5
The system that chemically controls the various functions of cells, tissue, and organs through the secretion of hormones.
6
A organ system consisting of skeletal, smooth and cardiac muscles.
7
The framework of the body, consisting of bones and other connective tissues, which protects and supports the body tissues and internal organs.
8
A complex collection of nerves and specialized cells known as neurons that transmits signals between different parts of the body.
9
The ability to maintain a constant internal environment in response to environmental changes.
10
A group of organs that work together to perform one or more functions.
11
A living that has an organized structure, can react to stimuli, reproduce, grow, adapt, and maintain homeostasis
12
Specialized structures within a cell that perform a specific function.
13
A type of diffusion that is usually related to cells.
14
A group of tissues in a living organism that have been adapted to perform a specific function.
15
The Smallest unit of life