Web Activities
UNIT 3: HOMEOSTASIS
Chapter 7: Maintaining an Internal Balance
Page Number
Question
p. 341
Section 7.2 questions
9. Use the Internet or library to research how rapid cooling
of the organs and tissues is used for surgery.
Lung
Transplant Breakthrough
Lung Transplant Breakthrough is the headline of this BBC news article.
It reports the innovative methods employed by a Swedish team of doctors
who use salt to rapidly cool down a dead body to prolong the time
for which the lungs could be used in a transplant operation.
Rapid
Cooling Technique May Save Victims of Sudden Cardiac Death
This article from the University of Chicago Hospitals details how
operating on super-cooled patients with restricted blood flow may
be an alternative to the traditional method of operating on patients
while on a heart-lung bypass machine.
HetaCool
HetaCool is a blood product designed specifically for medical use
at low temperatures. This information page outlines the applications
of low temperature surgery and discusses the problems associated with
it, in easy-to-understand terms.
p. 356
Section 7.6 questions
11. Using the Internet and other resources, explain how urine
might be recycled on a space flight.
Node
3: Connecting Nodule
This Web page is a description by the European Space Agency of Node
3: Connecting Nodule, part of the space station. Tables giving the
specifications for this technological wonder include very brief descriptions
of the waste recovery systems.
Life
Support in the Space Environment
Life Support in the Space Environment is a long, well written document
outlining the methods employed in space to handle human waste - CO2,
urine, feces, and food. The site belongs to the Texas Space Grant
Consortium.
Plumbing
the Space Station
NASA’s excellent report on Plumbing the Space Station provides
full coverage of the methods used to handle human waste. The article
is illustrated with diagrams and photos, includes an option to hear
it spoken with a RealPlayer plug-in, and lists some related links.
Water
Reclamation
Water Reclamation is a serious, in-depth look from Oregon State University
at how water from urine and other sources is recycled in space. Includes
further links at the bottom of the page for even more detailed information.
p. 360
Explore an Issue – Debate: Xenotransplants
Statement: The government should allow xenotransplants in Canada.
- Search for information in newspapers, periodicals, CD-ROMs,
and on the Internet.
Xenotransplantation
This report published by Health Canada defines Xenotransplantation
and outlines some of the potential problems associated with it. The
main function of this report is to describe government plans to keep
a close watch on the effects of xenotransplantation on the population.
Background
to the Current Regulatory Framework for Xenotransplantation in Canada
Background to the Current Regulatory Framework for Xenotransplantation
in Canada is a long document that is part of the Report of the Xenotransplantation
Surveillance Workshop, Health Canada. It outlines the current status
of xenotransplantation in Canada, and the issues and perceived risks
associated with it.
Public
Consultation on Xenotransplantation
Information on the status of xenotransplantation in Canada and the
issues surrounding it can be found on this Canadian Public Health
Association Web site. The function of the site is to inform Canadians
about the government’s Public Consultation on Xenotransplantation
program and to involve citizens in the decisions concerning the use
of this technology in our country. The results of this public consultation
are published here. Also included is a list of links to Canadian documents
and Web sites on the topic.
Organ
Farm
Organ Farm is a PBS Frontline report on xenotransplantation. It provides
excellent coverage of the risks and business of xenotransplants. Options
for viewing include video excerpts, interviews, and some historical
background of the experiments.
