Monday-10/2...HAPPY OCTOBER...GO TO CH 6-THE INTEGUMENTARY SYSTEM (SKIN)
There are four main types of tissue: muscleepithelial, connective and nervous. Each is made of specialized cells that are grouped together according to structure and function.Muscle is found throughout the body and even includes organs such as the heart. Our outer layer of skin is epithelial tissue.

Tissue Type

Broad Function

EpitheliaAct as protective linings and coverings.  In some locales, absorption and secretion are important functions of these lining and covering cells.  As secretory cells, epithelia form most glandular structures of the body.
ConnectiveServe as connective and supportive tissues that bind and hold body structures together.  Specialized fluid connective tissue types serve as liquid media important in transport, exchange, and body defense.  
MuscleTissues with the unique capability to contract or shorten.  This enables muscle types to be involved in functions of support and movement.
NervousNerve cells are specialized for conduction.  Nervous tissues therefore serve as the complex telecommunications network of the body.  These tissues act in a sensory capacity, to receive, disseminate, and store information collected from receptors. In a motor capacity, nervous tissues  provide response potential by controlling effectors such as muscles or glands.
Friday-9/29...CW: Ch 5 quiz and earlier chapters...25 Q = 50 pts...
HW: always review, check webpage daily and every Sunday, and stay ahead!!
Wednesday-9/27...CW: POP QUIZ...Muscle Tissue-Drawing Box 3...
Skeletal-Cardiac-Smooth Muscle Tissue...
Below is the video link from today...
https://youtu.be/bwOE1MEginA
***Bladder filled with Transitional epithelium...
when bladder is filled...it is referred to as ___distended_____

Thursday-9/28...CW: Nervous Tissue-Drawing box 4...NEURONS...
Below is the video link from today...
https://youtu.be/y7GxgkWZnhI

Vocab to memorize...
A fferent = to brain from organ or muscle
E-fferent = away from brain to muscle or organ...

Axon-carries impulses away from soma
Dendrites carry impulses to the soma

The energy produced by mitochondria in muscle cells is in the form of???????????????

When you see tissue diagrams...just look at them straight on from the sides, not from the top...look at the examples below!
Remember the name of the bottom layer...
Image result for simple cuboidal epithelium

Hints to study: Always start reviewing from earliest chapters to latest...focus on web page highlighted words and diagrams...Don't overthink what you are studying...
True-false questions...You must know the information-if you don't prepare properly, 1 word can make a true question false-misspellings are always intentional, not typos...

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Monday-9/25...CW: Ch 5-Tissues...
4 Groups: Epithelial...Connective...Muscle...Nervous...
Epithelial(Epithelium): 2 characteristics: number of layers, shape of cells...
Simple: 1 layer, Stratified: more than 1 layer...
Squamous: flat, Cuboidal, Columnar...
2 other outside the norm: Pseudostratified columnar-appears layered but is ONLY 1 layer...
Transitional: stretches(urinary bladder)...
Skill: We draw the cells as if looking through a microscope...
FOLLOW DIRECTIONS: you are to use 1 of 4 squares for EACH tissue....not 1 diagram in each square...
Below is the video link from today and another one for review...Watch them!
https://youtu.be/tKWTJ3_-1E8


Type of EpitheliumTypical LocationsTypical Functions
Simple Squamouslining of heart, blood vessels, and lungsfiltration and secretion
Simple Cuboidallining of kidney tubules and other ductssecretion and absorption
Simple Columnarlining of gastrointestinal tractsecretion and absorption
Stratified Squamousepidermis of skinprotection
Stratified Cuboidallining of sweat gland ductsprotection
Stratified Columnarlining of large ductsprotection
Transitionallining of urinary bladderelastic properties
Pseudostratified Columnarlining of the upper respiratory tractsecretion and movement


Tuesday-9/26...CW: Epithelial Tissues, cont'd...
Connective tissue...
Below is the video from today...

https://youtu.be/d8IfclFVEOU
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Image result for transitional epithelium

FOUND IN URINARY BLADDER AND URETERS...
 
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