questions and answers Graded A+
Necessary Life Functions
Maintaining boundaries
Movement
Responsiveness
Digestion
Metabolism
Excretion
Reproduction
Growth
Survival Needs
Nutrients
Oxygen
Water
Normal body temperature
Appropriate atmospheric pressure
Anatomy
Study of body structure.
Gross anatomy
Structures visible to the naked eye.
Microscopic anatomy
Structures seen with a microscope.
Physiology
Study of body function.
Cell
Basic structural and functional unit of life.
, Cytology
Study of cells.
Histology
Study of tissues.
6 levels of structural organization
Chemical
Cellular
Tissue
Organ
Organ system
Organism
Chemical level
Atoms & molecules (ex: water, glucose).
Cellular level
Cells (ex: neuron).
Tissue level
Group of similar cells (ex: muscle tissue).
Organ level
Two or more tissues (ex: heart).
Organ system level
Group of organs (ex: digestive system).
Organism level
Entire human body.
Anatomical Position
Body standing upright, feet slightly apart, arms at sides, palms facing forward,
thumbs facing away from body, head level, eyes forward.