Levels of Organization
Smallest unit of life
Cells
An increase in cell number and body size
Growth
What are the three environmental requirements to maintain life?
Chemicals, Heat, Pressure
Contains the brain
Cranial Cavity
The nose is _____ to the mouth.
Superior
In front of
Anterior
A group of cells that all perform the same function
Tissue
Producing new cells and new organisms
Reproduction
Homeostasis is the act of...?
Maintaining a stable environment
Contains the lungs
Pleural cavities
The diaphragm is _______ to the heart.
Inferior
Behind
Posterior
A group of various tissues that work together to perform a variety of functions
Organ
Reacting to a change inside or outside the body
Responsiveness
The ______ detect when the environment has deviated from the set point
Receptors
Separates the thoracic from the abdominal cavities
Diaphragm
The fingers are more ______ to the elbow.
Distal
Prefix meaning "vessel"
A group of organs that work together to perform various bodily functions
Organ System
Change in body position or location
Movement
The __________ is the condition that the body SHOULD be in.
Set point
Contains the internal reproductive organs
Pelvic Cavity
The shoulder is more ________ than the elbow.
Proximal
Prefix meaning "heart"
Cardi-
Smaller "miniature organs" contained within a cell
Organelle
The sum of all chemical reactions in a living system
Metabolism
The _______ initiate responses that bring the conditions back to the set point.
Effectors
Contains the heart
Pericardial Cavity
The big toe is more _______ than the pinky toe.
medial
Suffix meaning "inflammation"
-itis