Unit 4 Marathon: Quizlet 2 (Homeostasis & Comparative Anatomy)

homeostasis

process by which organisms maintain a relatively stable internal environment

feedback inhibition (negative feedback loop)

process in which a stimulus produces a response that opposes the original stimulus; also called negative feedback

thermoregulation

Process of maintaining an internal temperature within a tolerable range.

osmoregulation

The process of controlling solute concentrations and water balance

blood glucose

The concentration of glucose in the blood

gas exchange

the process of obtaining oxygen from the environment and releasing carbon dioxide

respiration

Inhalation and exhalation of air.

respiratory surfaces

Surfaces where gas exchange takes place; may include skin, gills, trachea, and lungs.

lungs

Major organs of the mammalian respiratory system

cell

The basic unit of structure and function in living things

tissue

A group of different but similar cells that work together perform the same function.

epithelial tissue

Tissue that covers outside of the body and lines organs and cavities.

connective tissue

A body tissue that provides support for the body and connects all of its parts, includes fat, blood, tendons, ligaments, bones, and cartilage

nervous tissue

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

muscle tissue

A body tissue that contracts or shortens, making body parts move.

organ

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

organ system

A group of organs that work together in performing vital body functions.