KINE 2011 Chapter Notes -Epithelium, Nervous Tissue, Muscle Tissue

11 views3 pages
Published on 14 Sep 2012
School
York University
Department
Kinesiology & Health Science
Course
KINE 2011
Professor
Ch 1: Homeostasis The Foundation to Physiology
Physiology: the study of the functions of living things
Teleological approach: explains bodily functions based on way they occur
and NOT on the how
Mechanistic approach: approach that physiologist take; explain how
something happens based on physical and chemical responses from the body
Anatomy: the structure of the body
Levels of Organization in the Body
CHEMICAL LEVEL
Atoms: smallest building blocks of all matter (most common are O, C, H & N,
which make up 96% of total body chemistry)
Atoms combine to make molecules
CELLULAR LEVEL
Cells: the basic structure of living beings (smallest unit to carry out life)
Plasma membrane
Organisms: independent living entities (simplest form are single celled i.e.
bacteria and amoebas)
8 basic cell functions
o Obtain food and oxygen from surrounding cell areas
o Provide energy to cells: food + O2 -> CO2 + H2O + energy
o Elimination of by products during energy production (like CO2)
o Creates proteins for growth and cell structure
o Controls exchange of materials to surrounding cells
o Moves materials
o Responsive to changes in surrounding areas
o Reproduction
TISSUE LEVEL
Tissues: cells of similar structure and specialized function
o 4 primary type: muscle, nervous, epithelial and connective
Muscle tissue: used to contract and generate force
Nervous tissue: used to transmit electrical impulses
Epithelial tissue: used to exchange materials from cells and their
environment (consists of the epithelial sheets and secretory glands)
requires selective transfer of the materials that can go in
o Example: Top layer of the skin and the lining of the digestive tract
o Glands: derivatives of epithelial tissue used for secretion (releases
specific products created from the cells) - there are exocrine and
endocrine glands
Exocrine glands: create ducts outside of the cell, like sweat glands
Unlock document

This preview shows page 1 of the document.
Unlock all 3 pages and 3 million more documents.

Already have an account? Log in

Document Summary

Ch 1: homeostasis the foundation to physiology. Physiology: the study of the functions of living things. Teleological approach: explains bodily functions based on way they occur and not on the how. Mechanistic approach: approach that physiologist take; explain how something happens based on physical and chemical responses from the body. Atoms: smallest building blocks of all matter (most common are o, c, h & n, which make up 96% of total body chemistry) Cells: the basic structure of living beings (smallest unit to carry out life) Organisms: independent living entities (simplest form are single celled i. e. bacteria and amoebas) Tissues: cells of similar structure and specialized function: 4 primary type: muscle, nervous, epithelial and connective. Muscle tissue: used to contract and generate force. Nervous tissue: used to transmit electrical impulses. Exocrine glands: create ducts outside of the cell, like sweat glands. Endocrine glands: used for hormones, are ductless and release there products into the blood i. e. insulin.

Get OneClass Grade+

Unlimited access to all notes and study guides.

YearlyMost Popular
75% OFF
$9.98/m
Monthly
$39.98/m
Single doc
$39.98

or

You will be charged $119.76 upfront and auto renewed at the end of each cycle. You may cancel anytime under Payment Settings. For more information, see our Terms and Privacy.
Payments are encrypted using 256-bit SSL. Powered by Stripe.