Dissecting Gas Exchange Systems (Topic 3A) Flashcards
How to inflate the lungs
attach rubber tubing to the trachea and use a bicycle pump
What equipment should be used
lungs, cutting board, bicycle pump, scalpel and dissecting scissors
How to use a scalpel
cut away from you
What do you need to wear
a lab coat
What must your tools be
clean, sharp and free from rust
How to dissect an insect
fix insect to dissecting board using dissecting pins
How do you fill an insect abdomen with saline solution
use a syringe
Ethical issues with dissecting
People believe it is wrong to kill just for dissections, however most animals have already been killed
Concerns that animals used for dissections have not been raised of in a humane way - overcrowding, extreme temperatures or lack of food or animals may not have been killed humanely
What should you do after a dissection
wash your hands, disinfect surfaces and dispose of any single use material in a biohazard bag
