Chapter 20 Flashcards
Study of structure
Anatomy
Study of function
Physiology
Are an integrated group of similar cells that perform a common function.
Tissues
Perform a specific task and consist of two or more tissues.
Organs
Consist of multiple organs that together perform a vital body function.
Organ system
Four main categories of tissues.
Epithelial
Connective
Muscle
Nervous
Are sheets of closely packed cells that cover body surfaces and line internal organs and cavities.
Epithelial tissues
Three shapes of epithelial cells.
- Squamous
- Cuboidal
- Columnar
Epithelial tissues are named according to….
- The number of cell layers they have
- The shape of the cells on their apical surface.
6 major types of connective tissue
- Loose connective tissue
- Fibrous connective tissue
- Adipose tissue
- Cartilage
- Bone
- Blood
Most abundant tissue in most animals
Muscle tissue
3 types of vertebrate muscle tissues?
- Skeletal muscle
- Cardiac muscle
- Smooth muscle
Senses stimuli and rapidly transmits information.
Nervous tissue
Carry signals by conducting electrical impulses.
Neurons
Each organ system typically
- Consists of many organs
- Has one or more functions
- works with other organ systems to create a functional organism