1.1 Principles of Human Physiology 6th edition

1.1 Principles of Human Physiology 6th edition
1. What is physiology? the study of the functions of organisms, comes
in many forms—plant physiology, cell physiology,
microbial physiology, and animal physiology
2. What is an organ system?
is a collection of anatomical structures that work
together to carry out a specific function.
3. What are nuerons? nerve cells
4. What are cells? smallest living units
5. What are the 4 major
classes present in the
body?
1) neurons, (2) muscle cells, (3) epithelial cells,
and (4) connective tissue cells.
6. What are muscle fibers? muscle cells
7. What is epethilia? continuous, sheetlike layers of cells found in the
skin and linings of hollow organs; specialized to
regulate exchange; singular, epithelium
8. What is basement membrane?
thin underlying layer of noncellular material
9. simple (cell description) one layer thick
10. Stratified (cell description)
several cells thick
11. Squamous (cell description)
short and flattened
12. Cuboidal (cell description)
regular square shaped
13. Columnar (cell description)
tall and oblong
14. What is Lumen? the interior cavity of a hollow organ or vessel