Frog Dissection

Description + Evidence of Work

The first part of this project that we had to complete was a pre-lab. We completed this the day before the lab to get a basic understanding of frog anatomy. We had to learn and research about a bunch of different body parts and depending what they were we had to state where they were located, their function, or simply just what the word means. We also picked our partners this same day and my partner was Gracie O'Hara.

The next day of class is where the real dissection started. We were given a packet each to guide us through the dissection and help us learn about frog antamoy, tools to dissect the frog, an question packet where we answered questions about the frog along the way, and a pair of gloves if we wanted to use them. The discussion was split into 11 parts along with two questions about the background and three questions for a conclusion. The different parts focused on the external antamoy, frog vs. human mouth, internal anatomy, skeletal system, muscular system, circulatory system, respiratory system, digestive system, reproductive system, excretory system, and the nervous system. By dissecting and reading about each system, we gained a really good understanding of how the systems worked.

This answer sheet must be turned in each day for a stamp. This is essential to receive full.pdf

Content

Gullet: A frog's gullet is the opening to the digestive system. We found the gullet while dissecting the frog's mouth.

Glottis: The glottis is the opening below the gullet that controls the movement of air. We also found the glottis while dissecting the frog's mouth.

Eustachian Tube: The eustachian tube equalizes pressure in the inner ear while the frog is swimming. We also found this while dissecting the frog's mouth.

Pericardial Sac: The pericardial is the membrane that surrounds the heart. Frogs have a three chambered heart while humans have a four chambered heart. We found this when dissecting the frog's heart.

External Anatomy:

Dorsal - Dorsal relates to the back of an animal.
Ventral - Ventral relates to the belly-side of an animal.
Anterior - Anterior relates to the head or near the front of an animal.
Posterior- Posterior relates to the tail end of an animal.
Head - Head relates to the upper part of the body containing brain, mputh, and other censory organs.
Torso - Torso relates to the body excluding the head, neck, and limbs.

Muscular System: The main function of the muscular system is movement. The muscular system is important for frog's because it allows them to extend their foot when pushing it off the ground.

Circulatory System: The function of the circulatory system is to carry nutrients and oxygen and CO2 around the body and deliver it to cells. The heart is the main organ of the circulatory system. A frog's heart only has three chambers.

Respiratory System: The respiratory system to exchange oxygen and carbon dioxide between the cells, the blood and the air in the lungs. The skin and lungs aid the respiration of a frog.

Digestive System: The main function of the digestive system is to break down and absorb nutrients. The parts of the digestive system are the mouth, esophagus, stomach, small intestine, and large intestine. When dissecting the frog's stomach we found nothing in it,

Reproductive System: The reproduction system's function is to produce offspring by making egg and sperm cell. Frog's have an external reproduction and the advantages to this are they can have higher numbers if offspring bu the disadvantages are they aren't protected very well.

Excretory System: The purpose of the excretory system is to exrete urine and reproduction. The kidney filters blood for the frog.

Nervous System: The function of the nervous system is to relay messages, process information and analyze the information. The brain, spinal cord, and nerves are all parts of the frog's nervous system.

Reflection

Two things Gracie and I did well on in this project were collaborating and communication. Although the frog dissection was done in partnerships, there was another pair of people at our table, Liv Hatch and Amanda Postel. When Graice and I would be unsure of what to do or where some body part was we would collaborate with Liv and Amanda and ask them for help. Liv and Amanda would ask us questions in return and Gracie and I were always happy to answer them. Working in one big group was really helpful and I enjoyed it a lot. Gracie and I were also very good at communicating with each other. We would always switch off who got to do the actual work on the frog so it was fair and were never afraid to ask each other questions. Overall, Gracie and I benefitted a lot from our communication and collaborating with each other and got work done very efficiently.

Two things Gracie and I could improve upon are being conscientious learners and critically thinking. We could improve on being conscientious learners because at the beginning of the dissection we were really taking our time with everything we did and double checking to make sure we made no mistakes. It was good we did this but we were only given so many days to complete the lab so towards the end of the lab we had to rush through some of the last parts. In the future, we could ensure this doesn't happen again by trying to maintain a steady work pace. We also could try and improve our critica thinking. Some of the questions Gracie and I asked to either Liv, Amanda, or Ms. Mathews we definitely could have figured out on our own if we thought a little bit harder about it. In the future, we could think harder about the questions we are about to ask, be positive that we don't know the answer to it, and then ask.

Two C's I demonstrated well throughout this project were collaboration and communication. We collaborated very well with each other and the other pair at our table, Amanda and Liv. We worked together so nicely and one of us would be doing the dissection while the other instructing what to do and how to do it. We communicated well too. We did this by always asking questions and talking about how we plan on doing the next part of the dissection.

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