Tissues and Organs Flashcards
Name 4 types of tissues.
- Muscular
- connective
- nervous
- epithelial
What is the function of the Muscle tissue?
- Movement
contracting and relaxing
What is the function of the nervous tissue?
Signal and coordinating things in the body
- sends electrical impulses in the form of action potentials.
What is the function of the epithelial tissue?
lines organs for a larger surface area and secretes mucus.
What is connective tissue?
Tissues that connect, support, and help bind other tissues.
Which location is epithelial tissues found in?
- Salivary glands of digestive tract
What are the types of epithelial tissues?
- simple (single layers)
- stratified (many layers)
What are the examples of epithelial tissues?
- Squamous (flattened)
- Cuboidal (cube shaped)
- Columnar (tall)
What is squamous epithelium?
- A single layer of cells that are flat.
- Cells are thin - rapid diffusion.
What is cuboidal epithelium?
- cube shaped cells
- larger and thicker than squamous
What is columnar epithelium?
- cells are tall and narrow
What are the three types of Muscle tissue?
- Cardiac - heart (involuntary)
- Smooth - oesophagus (involuntary)
- Skeletal - (Movement)
What is the plasma membrane of muscle cells called?
Sarcolemma
What is the cytoplasm of muscle cells?
Sarcoplasm
What is Cardiac Muscle?
Makes up thick middle layer of the heart.