Vocabulary A2 Homeostasis/Body systems Functions

the process by which organisms maintain a relatively stable internal environment

• reproduction

• response to stimulus

• homeostasis

• adaptation

A feedback loop in which change in a system is amplified. one direction

• positive feedback loop

• response to stimulus

• negative Feedback loop

• adaptation

A feedback loop that causes a system to change in the opposite direction from which it is moving

• positive feedback loop

• response to stimulus

• negative Feedback loop

• adaptation

Basic unit of life

• molecule

• cell

• atom

• tissue

A group of similar cells that perform the same function.

• organ

• cell

• organ system

• tissue

A collection of tissues that carry out a specialized function of the body

• organ

• cell

• organ system

• tissue

Transports oxygen, waste, nutrients, hormones, heat, etc... around the body

• digestive system

• circulatory system

• muscular system

• nervous system

Protects and supports body organs and provides a framework the muscles use to support movement. Made up of bones and joints

• digestive system

• circulatory system

• skeletal system

• nervous system

Breaks down food into absorbable units that enter the blood for distribution to body cells.

• digestive system

• circulatory system

• skeletal system

• nervous system

Brings oxygen into the body. Gets rid of carbon dioxide.

• digestive system

• circulatory system

• skeletal system

• respiratory system