Toad Dissection for Years 8 to 10 - Education Queensland
Toad Dissection for Years 8 to 10 - Education Queensland
Toad Dissection for Years 8 to 10 - Education Queensland
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
Schools Repeating Application Form <strong>for</strong> <strong>Toad</strong> <strong>Dissection</strong> – <strong>Years</strong> 8-<strong>10</strong> 1/<strong>10</strong>/20<strong>10</strong><br />
Approval: Activity Continuous EDUCATION QUEENSLAND<br />
<strong>Toad</strong><br />
dissection<br />
Internal<br />
inspection<br />
<strong>Toad</strong><br />
disposal<br />
Option 2: Pithing – Only <strong>to</strong> be<br />
conducted by staff competent in this<br />
procedure.<br />
Pithing is only conducted by a teacher<br />
or scientific assistant who has been<br />
trained in this technique by<br />
demonstration and then under<br />
observation of a competent person<br />
until competence is gained.<br />
Option 3: Veterinary euthanasia.<br />
The <strong>to</strong>ad is euthanized by a<br />
veterinarian or an experienced<br />
opera<strong>to</strong>r using drugs approved by the<br />
<strong>Queensland</strong> Health Department.<br />
Begin the dissection by placing the<br />
<strong>to</strong>ad on its back and pinning it <strong>to</strong> the<br />
board through its feet.<br />
Make the necessary incision/s and<br />
pin back the skin layer <strong>to</strong> the right and<br />
the left side of the <strong>to</strong>ad.<br />
Cut through the abdominal wall and<br />
pin out the flaps of the abdominal wall<br />
on either side.<br />
Identify the significant organs of the<br />
digestive system and trace the<br />
pathway linking these organs. Note<br />
observations and sketch the relative<br />
positions of these organs.<br />
Identify the significant organs of the<br />
respira<strong>to</strong>ry system and trace the<br />
pathway linking these organs. Note<br />
observations and sketch the relative<br />
positions of these organs.<br />
Identify the significant organs of the<br />
circula<strong>to</strong>ry system and trace the<br />
pathway linking these organs. Note<br />
observations and sketch the relative<br />
positions of these organs.<br />
Upon completion of the dissection<br />
activity all <strong>to</strong>ads and tissue used in the<br />
experiment will be placed in<strong>to</strong> plastic<br />
bags.<br />
The plastic bags are sealed and<br />
s<strong>to</strong>red in the freezer until the time of<br />
disposal.<br />
All the plastic-encased animal tissue<br />
is placed in the garbage disposal<br />
service or medical disposal system<br />
used within the school site.<br />
Teacher <strong>to</strong>ad dissection<br />
demonstrations are best undertaken<br />
using a pithed <strong>to</strong>ad.<br />
PLEASE NOTE: PITHING IS A<br />
SPECIALIST TECHNIQUE. STAFF<br />
MEMBERS UNDERTAKING PITHING<br />
MUST BE COMPETENT IN THIS<br />
TECHNIQUE.<br />
PLEASE NOTE: Pithing is NEVER <strong>to</strong><br />
be undertaken as a class<br />
demonstration.<br />
<strong>Toad</strong>s must be handled and<br />
euthanized quickly and efficiently by a<br />
competent opera<strong>to</strong>r.<br />
The <strong>to</strong>ad is unconscious without<br />
recovery.<br />
Page 12 of 25