Body

From WikiMD
Jump to navigation Jump to search

The body refers to the human body. Human beings are arguably the most complex organisms on this planet consisting of billions of microscopic parts, each with its own identity, working together in an organized manner for the benefit of the total being. The human body is a single structure but it is made up of billions of smaller structures of four major kinds:

Cells

Cells have long been recognized as the simplest units of living matter that can maintain life and reproduce themselves. The human body, which is made up of numerous cells, begins as a single, newly fertilized cell.

Tissues

Tissues are somewhat more complex units than cells. By definition, a tissue is an organization of a great many similar cells with varying amounts and kinds of nonliving, intercellular substance between them.

Organs

Organs are more complex units than tissues. An organ is an organization of several different kinds of tissues so arranged that together they can perform a special function. For example, the stomach is an organization of muscle, connective, epithelial, and nervous tissues. Muscle and connective tissues form its wall, epithelial and connective tissues form its lining, and nervous tissue extends throughout both its wall and its lining.

Systems

Systems are the most complex of the component units of the human body. A system is an organization of varying numbers and kinds of organs so arranged that together they can perform complex functions for the body. Ten major systems compose the human body:


WikiMD is a free medical encyclopedia and wellnesspedia moderated by medical professionals.


Articles on Body

This article is a stub. YOU can help Wikimd by expanding it!

WikiMD resources 360 on Body - scientific articles to social media

Articles

Policies / Guidelines Social Media
Flickr

Media

Patient Resources / Community
Reddit
Facebook posts
Tweets

Evidence Based Medicine

Healthcare Provider Resources
YouTube videos
Tumblr

Clinical Trials

News
Yelp.png
Quora.png
Pins
Instagram
Bing.png
External:W8MD Weight Loss, Sleep & MedSpa Wellness Topics A-Z Other resources
W8md-logo.jpg

A | B | C | D | E | F | G

H | I | J | K | L | M | N

O | P | Q | R | S | T | U

V | W | X | Y | Z

Ad. Tired of being overweight? W8MD's insurance weight loss* program can HELP | Advertise on WikiMD

Disclaimer: The entire contents of WIKIMD.ORG are for informational purposes only and do not render medical advice or professional services. If you have a medical emergency, you should CALL 911 immediately! Given the nature of the wiki, the information provided may not be accurate and or incorrect. Use the information on this wiki at your own risk! See full Disclaimer. * Individual results may vary.