Anatomy and Physiology
This field studies the structure of body parts
Anatomy
The smallest units of living organisms
Cells
This system provides the body’s external covering
Integumentary system
The maintenance of stable internal conditions
Homeostasis
Anything that has mass and occupies space
Matter
This field studies how body parts function
Physiology
Groups of similar cells performing a specific function.
Tissues
This system transports blood, oxygen, and nutrients
Cardiovascular system
The part of a feedback system that detects change
receptor
Energy stored in chemical bonds like ATP
Chemical energy
The subdivision that focuses on large, visible structures
Gross Anatomy
Structures composed of two or more tissue types.
Organs
This fast-acting control system includes the brain and spinal cord
Nervous system
The control mechanism that reverses a change
Negative feedback
Atoms of the same element with different numbers of neutrons
Isotopes
The microscopic study of tissues
Histology
Organs that work together for a common purpose
Organ system
This system produces hormones that regulate growth and metabolism
Endocrine system
This type of feedback amplifies the original stimulus
Positive feedback
The bond formed by sharing electrons
Covalent bond
The principle stating that function reflects structure
Complementarity of structure and function
The level representing the entire human body
Organismal level
This system eliminates nitrogenous wastes and regulates pH.
Urinary system
Oxytocin increasing labor contractions is an example of this feedback
Positive feedback
Loss of protein structure due to heat or pH change
Denaturation