To become acquainted with the internal anatomy of the frog 3. Unlike a mammal heart, it only has three chambers two atria at the top and one ventricle below. This lab report contains lots of questions over sections of study and lines for students to fill in the answers. Apr 09, 2015 keep in mind that 6 students have already been assessed using this rubric. On your frog diagram, label the major external body parts parts of the face, abdomen, thorax, limbs and digits. On the outside of the frogs head are two external nares, or nostrils. On the outside of the frog s head are two external nares, or nostrils. Although many differences exist between humans and frogs, the basic body plans are similar.
Apr 22, 2015 the insides of a frog represent the general form of a vertebrate, everything is in there, the lungs, heart, stomach, intestines. Frog dissection diagram and labeling the exploring nature. The dissection is simple, only requiring dissecting scissors, and can be completed in 1 or 2 class periods depending on your preference. Locate the frog s eyes, the nictitating membrane is a clear membrane that is attached to the bottom of the eye.
Displaying all worksheets related to frog dissection. Ventricle chamber of a frogs heart that pumps blood out of the heart to the lungs and other parts of the body. Labeled diagram nonfiction text structure text features. Head the anterior end of the frog extending to and including the eardrums. It covers digestive system and urogenital system and contains several pictures for students to label. Name the organs that make up various systems of the frog. It also includes a verbal quizzing checklist and a matching anatomy to organs diagram at the end. By studying the anatomy of the frog, you will better understand the human body systems. Hsts high school science lesson on frog dissection includes external and internal anatomy, as well as printable pdf diagram to label. Mark with a circle the location the pins should go. Objectives 1 describe the form and function of various organs found in frogs 2 identify and name the organs that make up various systems of the frog. Urogenital system of the frog digestive system and other parts of the frog.
This large plain preserved grass frog dissection specimen has a 4 to 4. Virtual dissection external anatomy photos dissection photos external frog diagram and slicing should be made away dissection instructions 1. Frog dissection frog dissection part 1 frog dissection part 2 frog life. If you frog is female, remove the oviducts and ovisacs and place them on. In this lab, you will dissect a frog in order to observe the external and internal structures of. This lesson could be extended to examine amphibian reproduction and evolution. To determine the frogs sex, look at the hand digits, or fingers, on its forelegs. Scissors serve better because the point of the scissors can be pointed upwards to prevent damaging organs underneath.
Before we proceed while dissecting, be respectful of your lab partners and of the specimen you are about to explore, observe and learn from. Below is a brief survey of the internal and external anatomy of the frog. This plain grass frog specimen provides a great dissection experience at a low cost. Internal anatomy complete the dissection according to your virtual lab notes.
Mouthparts of the frog eye socket gullet glottis tongue maxillary teeth internal naris nostril vomerine teeth opening to eustachian tube opening to vocal sacs external. Not able to find exactly what i needed for frog dissections myself, i created this product as a complete guide for my miniunit on frog dissections. To learn and practice dissection technique materials and equipment dissection tray dissection kit preserved. Review for frog dissection learn with flashcards, games, and more for free. To locate the structures, organs and systems of the frog 4. This simple worksheet can supplement a lab or dissection of the frog. To explore other aspects of the frog, you may need to subscribe. When looking at the frog, it is located on the right side. Cloacal opening opening of cloaca through which undigested food, urine, eggs, and sperm are passed. This was made to go with the glencoe frog dissection lab, but could most likely be use.
Truncus arteriosis large artery in a frog that carries blood away from the ventricle into branches that lead to all parts of the body. Frog dissection academic bullfrog intro video virtual options. Apr 03, 2016 frog internal anatomy covers only the internal anatomy, useful for splitting the dissection of if you are short on time and want to skip the external anatomy. Frog dissection external anatomy of the frog mouthparts of the frog the frog heart. The frog s heart is the small triangular organ at the top. Use this printable frog dissection diagram with labeled parts. Mouthparts of the frog eye socket gullet glottis tongue maxillary teeth internal naris nostril vomerine teeth opening to eustachian tube opening to vocal sacs external anatomy of the frog hindlimb foot ventral forelimb tympanic membrane posterior dorsal nictitating membrane anterior eye mouth external nares hand the frog hean ventral view. Frog anatomy coloring worksheet biology libretexts. Froguts is a subscription service, but there is a free demo of a basic frog dissection available. Describe each organsystem as program guides you 1 frog skin 2 nictitating membrane 3 external nares 4 tympanum 5 leg. I would like to briefly explain the layout of the site. Answer the postlab questions when cleaned up and done. Remember, there is a difference in a frog s front and back feet.
Although you may feel intimidated at the thought of dissecting an animal, you can have a profound learning experience if you. The frogs heart is the small triangular organ at the top. Observe several frogs to see the difference between males and females. Use these descriptions and the picture to identify each of the following. Locate and label the upper jaw or maxilla and the lower jaw or mandible. Draw the frog s front foot and the back foot on the diagram. And you can do it all without taking a real frog apart. What do you think is the function of the nictitating membrane, and why. Compare the length of your frog to other frogs your frog cm frog 2 frog 3 frog 4 frog 5 average l e n g th 5. As members of the class amphibia, frogs may live some of their adult lives on land, but they must return to water to reproduce. Frog dissection lab report flipped out science with mrs. To assess the function of structures from observing the actual anatomy of the organism 5.
The name is appropriate because amphibians spend their immature lives in water and their adult lives primarily on land. Opening up the frog 1 lay frog on dorsal side on its back 2 insert scissors just above anal opening 3 make incisions as shown, but not too deep. Male frogs are also usually smaller than female frogs. The science documents section contains all the worksheets, diagrams.
Use scissors to lift the abdominal muscles away from the body cavity. Figure 1 hand digits of male and female frog name class date frog dissection skills practice lab. In this investigation you will observe the external features of a preserved frog and identify parts of its external anatomy. Dissecting a frog is a common and important experience in introductory biology or anatomy. Worksheets are alternate frog dissection work, frog dissection lab report, frog dissection work, underlying, netfrog dissection name, zoology name pigeon dissection, frogs anatomy and physiology, the world of amphibians. Introduction will be provided by instructor during lab. Urogenital system of the frog digestive system and other parts. If your frog is male, remove the testes and mullerian tubes if present, and place them on your sheet. Studentfriendly interactive notes, a visual ppt, and a quiz are included in this frog dissection product. Humans and frogs both belong to the phylum chordata. Place the frog in the dissecting pan ventral side up. You can see how all the organs and body parts relate to each other. External features ventral dorsal coloration record the colors of the dorsal and ventral sides of your frog. Before we proceed while dissecting, be respectful of your lab partners and of the specimen you are about to explore.
Student guide to the frog dissection the biology corner this simple. A male frog usually has thick pads on its thumbs, which is one external difference. Helps to destroy old red blood cells and produces antibodies to help fight infected cells and cancerous cells. Use these descriptions and the picture to identify each of the following external structures. Frogs are classified as amphibians or animals that live a double life. For more detailed dissection instructions and information, check out carolina dissection kits. The insides of a frog represent the general form of a vertebrate, everything is in there, the lungs, heart, stomach, intestines. Mammalian heart dissection guide illustrated by leah hofgesang 470219676 2015 wards science all rights reserved. In this lab, you will dissect an frog in order to observe the external and internal structures of the frog anatomy sexing your frog. While the way their bodies work is nowhere near identical to a. Functions of the external anatomy of the frog nictitating membrane a transparent part of a frog s lower eyelid that moves over the eye to clean it and protect it. Frog brain and bones an extra task for students who finish the dissection early, remove the brain of the frog and expose the femur.
1280 743 964 209 496 583 723 227 1182 660 602 662 1405 1347 210 1049 161 895 431 146 760 1445 801 1265 85 1336 806 1043 1009 412