• Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

Comparing the Organ Systems of Worms, Grasshoppers. Frogs, and Humans

Page
  1. 1
    1
  2. 2
    2
  • Essay length: 1209 words
  • Submitted: 28/02/2012
Share this essay:
International Baccalaureate Biology

The first 200 words of this essay...

Comparing the Organ Systems of Worms, Grasshoppers. Frogs, and Humans

Shannon Wong

A glance at the external appearance of a human being, a frog, a grasshopper and a worm usually won't stir up any immediate curiosity within the average person. For those who are interested, most would find it hard to believe that these living organisms can be compared to one another. However, if one were to explore the organ systems of these unique, individual multi-cellular organisms, one would find examples of interesting similarities as well as differences between these four organisms.

Frogs and humans have the same respiratory system, as they both use two lungs as a method of bringing air into their body. They both breathe through their nostrils (frogs also have internal nares in addition to the external ones) and mouths, which lead to their trachea. The trachea is designed to moisten air, and keep it clean. Branching out from the trachea are bronchi (small air passages in the lungs), which in turn branch out into thin branches called bronchioles. Fine, feathery membranes, called alveoli, are attached to the ends of the bronchioles. Gas exchange occurs with blood at the

Read more
The above preview is unformatted text

Found what you're looking for?

  • Start learning 29% faster today
  • Over 150,000 essays available
  • Just £6.99 a month

Marked by a teacher

This essay has been marked by one of our great teachers. You can read the full teachers notes when you download the essay.

Peer reviewed

This essay has been reviewed by one of our specialist student essay reviewing squad. Read the full review on the essay page.

Peer reviewed

This essay has been reviewed by one of our specialist student essay reviewing squad. Read the full review under the essay preview on this page.