BIOL 2221 Lecture Notes - Lecture 1: Vas Deferens, Trachea, Human Body
Document Summary
Chapter 1 lecture outline the human body: an orientation. Anatomy - structure: gross/macroscopic anatomy- - the structures we can see, microscopic anatomy - looking at things that are small and cant see with our own eyes (i. e proteins, dna, etc) Systemic anatomy - analyzing systems of the body (i. e nervous system, immune system, etc: developmental anatomy - the study of how structures change throughout our lifespan. Tells about the relationship between structure and function (structure vs. function) Changing the structure of something will alter its function. Atoms- atoms come together to make up molecules (ex - carbon, nitrogen, etc) Chemical level: molecules- more complex, consisting of atoms (ex- nacl, carbon dioxide) Cellular level: organelles - ex - mitochondria. Cells - smallest unit of life (ex - smooth muscle) Tissues (4 types) - groups of similar types of cells. Cells come together to perform job more efficiently (ex - smooth muscle cell: nervous.
