QT-1 GENBIO: TISSUES

aggregation of cells and cell products of similar structure and embryonic origin that perform a common function

 aggregation of tissues organized into

a functional unit

Organs working together as functional

units

the study of tissues

4 TYPES OF TISSUE.
HINT: E,C,N,M

• Sheet-like layer of cells

• Cover surface

• 2 classifications: shape and layers

like scales, or pancakes (“being squashed like a pancake”); found in blood vessels, air sacs, bodily cavities

looks like cubes; found in kidney tubules and mucous glands

longer and look like columns; found in lining of intestines

2 or more layers stacked on top of each other; found in the esophagus, mouth, vagina