chapter 1 Flashcards
Physiology
Defined as the functions of living organisms and their parts.
What are the structural levels of organization of the human body
Atom Molecule or Compound Organelle Cell Tissue Organ Organ system Organism
Cells
Cells are the basic structure and functional units of an organism.
Atom
this is the smallest unit of matter that participates in chemical reactions.
Molecule
When two or more atoms are joined together.
Anatomy
Defined as the study of the structure of an organism and relationship of its parts.
Tissues
Groups of associated and similar cells that form or have a common or specialized function for survival of the organism.
What are the 4 types of Tissue
Epithelium
Muscle
Connective tissue
Nervous tissue
Epithlium
This tissue can be found in the epidermis of the skin and in surface layers of mucus and serous membranes.
Muscle
this type of tissue is composed of contractile cells and fibers that affect movement of the body.
Connective tissue
this type of tissue connects and supports other tissues in the body.
Nervous tissue
Makes up the nervous system.
Organs level
organs or structures that are composed of two or more different types of tissue. They have specific functions and usually have recognizable shapes.
System level
Systems consist of related organs that have a common function.
organism level
A living individual. Composed of 11 systems of the human body