General Flashcards
Physiology
The study of how the parts of the body and its systems function
Cells
The basic unit of all organisms. They consist of cytoplasm, the cell membrane, and the nucleus. They are the smallest unit of life that can replicate itself
Tissues
A group of similar cells that perform similar functions
Organ
A group of tissues that perform a similar specialized function
Organ System
A group of organs that acts together to perform a specialized body function
Organism
An individual living thing
To be considered “living” and organism must…
Breathe, ingest, excrete waste, generate energy, maintain itself, grow, and reproduce
Anatomy
The study of the parts of the body an it’s systems
Metabolism
All of the chemical and physical processes that take place inside the body
Metabolism consists of…
Growth, production of energy, and elimination of wastes
Homeostasis
When the body is in balance, a process of equilibrium as a result of constant feedback and regulation
Catabolism
The destructive phase of metabolism, the breakdown of substances into simple compounds that liberated energy for use in work and heat production
Anabolism
The constructive phase of metabolism, the conversion of simple compounds into more complex substances needed by the body
