TISSUES NOTES PART 1. NOTES - TISSUES The human body is organized in the following manner: ATOMS MOLECULES CELLS TISSUES ORGANS ORGAN SYSTEMS ORGANISM.

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Presentation transcript:

TISSUES NOTES PART 1

NOTES - TISSUES The human body is organized in the following manner: ATOMS MOLECULES CELLS TISSUES ORGANS ORGAN SYSTEMS ORGANISM (human)

TISSUE (definition) similar cells with the same function 4 types of human tissue: I. EPITHELIAL TISSUE II. CONNECTIVE TISSUE III. NERVOUS TISSUE IV. MUSCLE TISSUE

I. EPITHELIAL TISSUE Function: cover or lining of organs

1. Stratified Squamous Epithelium Function: protection from injury cells on the bottom are round – they become flat near the top Location: skin 3 main types of Epithelial Tissue:

2. Simple Columnar Epithelium long rectangles packed close together Function: to secrete chemicals & absorb nutrients Location: lining of digestive tract (stomach, intestines)

lining of the stomach (columnar epithelium)

3. Ciliated Epithelium (aka: psuedostratified) similar to columnar epithelium, but with CILIA Function: movement of mucus or egg by action of cilia Location: trachea, oviducts (fallopian tubes) * there are other types of epithelium as well

Tracheal epithelium (ciliated)