This site is designed as a supplement to laboratory dissections exploring.
Fetal Pig Dissection Also can be downloaded in. Some things to consider before you start the lab. Do you have space with a sink? Pigs are a lot more involved than frogs and the preservatives will need to be drained and pigs rinsed.
This is not a good dissection for classrooms that do not have sinks.
Have your students completed the frog dissection? The pig is more advanced, students should have a basic understanding of dissection protocols. Pigs will need to be ordered from a biological supply company. If they are not injected, the circulartory system is very difficult to view.
Generally, 1 pig for two students is a good match, but you could get away with students per pig. Goggles are required for all dissections.
Latex gloves are optional, though generally preferred. Students should always wash hands even if they wore gloves. Many chemicals will seep through the latex. I have switched to nitrile gloves because it provides more of a barrier from harsh chemicals, but they are slightly more expensive.
I take a grade on the completion of this lab guide. But as worksheets go, you do want the students to work out the answers together and ask for help when needed. Generally I use a quick and easy method to grade it.
Each section is worth 5 pts. If its completed and looks mostly right, then they get the full 5 pts. Reduce pts if there are blanks or incorrect answers. This is where pigs are set up at stations with numbered or colored tags in the structures. Students have 1 minute at each station to identify the structure and write it on their answer sheet.
This is done in complete silence with no working together. Depending on the class, I may or may not allow them a word bank. Honors classes do not get a word bank usually unless I have an IEP or student that needs differentiation.
Just make sure your practical contains enough stations to keep students busy. If you have 30 students, you can have 25 stations with questions, and 5 "rest stations" interspersed. Also print out the fetal pig lab guide - this just lists all of the structures they need to find with a checkbox.
It makes for a good reference and study guide. External Anatomy External Anatomy 1. Determine the sex of your pig by looking for the urogenital opening. On females, this opening is located near the anus. On males, the opening is located near the umbilical cord. Make sure you mix them up within the classroom.
If your pig is female, you should also note that urogenital papilla is present near the genital opening.Fetal Pig Dissection Essay Sample. The propose of this dissection was to widen my knowledge of pig anatomy, and by extension, the anatomy of humans due to the remarkable resemblance between human and pig internal systems.
Analysis. Safety is a must when going about the fetal pig dissection.
Dissection of the Respiratory System of the Fetal Pig Inferior to the Larynx Dissection is an art. We must carefully and accurately dissect the pig so we can identify all important parts.
We must use caution when carrying and cleaning sharp dissection tools. Fetal pig dissection essay November 24, Johann dessay myke c town dissertation koshun suto physics essays web ap psychology personality essay for psychology anger management movie analysis essay essay on english as a second language.
REASONS FOR USING FETAL PIGS IN THE CLASSROOM DISSECTION Anatomy of the fetal pig closely resembles that of man. Unlike a frog (an amphibian), the fetal pig is a mammal. Economical - fetal pigs can cost less than using the same size frog, rat or any other vertebrate.
The dissection required many steps. This dissection required an understanding of how the body works and what the organs look like. The fetal pig dissection was helpful in learning all about the body.
In order to perform this dissection correctly, certain materials were needed. A dissecting tray, scalpel, bag, scissors, and fetal pig were needed.
A pig gives us a chance to visualize and help us understand the systems in a mammal. My feeling about dissecting a pig is nervous because it is a real pig even though it is fetal. I feel like I will end up cutting the pig in the wrong spot.