Human Structure Flashcards
Organism
Single, complete individual
Organ system
Group of organs with a unique collective function
How many organ systems does the human body have
11
What are the 11 organ systems
Integumentary, skeletal, muscular, nervous, endocrine, circulatory, lymphatic, respiratory, urinary, digestive and reproductive
Organ
Structure composed of two or more tissue types that work together to carry out a function
Tissue
Mass of similar cells and cell products that form a discrete region of an organ and perform a certain function
What are the four primary classes of tissues
Epithelial, connective, nervous and muscular
Cells
Smallest unit o an organism that carry out all the basic functions of ice.
Molecule
Particle composed of at least two atoms