PORTAGE LEARNING ANATOMY AND PHYSIOLOGY WITH COMPLETE SOLUTIONS 100%

PORTAGE LEARNING ANATOMY AND PHYSIOLOGY WITH
COMPLETE SOLUTIONS 100%
Anatomy
Study of the structure of the body and how it is designed


Physiology
Study of how the human body functions
Physiology depends on the anatomy of the body


Levels of organization of the body
1. Chemical level (atoms, molecules, macromolecules, organelles)
2. Cell
3. Tissues
4. Organs
5. Organ systems
6. Organism


Tissue
Group of cells that perform a specific function


Types of tissues
Epithelial, connective, muscle, nervous


Epithelial Tissue
Group of closely packed cells with very little matrix that cover the body surface and lines the cavities
of the body. Can be found as one layer or many layers and are constantly under cell division to
replace cells that shed away


What are the epithelial cells specialized for?
Secretion and absorption


Muslce tissue
Cells specialized for muscle contraction and allow us to move.


Connective Tissue
Group of cells specialized to provide support for the body and connects all of its parts. Include bones,
ligaments, blood and tendons.


Nervous Tissue
A body tissue that carries electrical messages back and forth between the brain and every other part
of the body.


Organ
Group of tissues that work together to perform a specific function