Dissect : As you did with the female frog, dissect the male frog. Hypothesize : Which internal organs do you think are different in the male frog versus theĢ. Question: How is the anatomy of a male frog different from that of a female frog?ġ. Introduction: While male and female organisms share many of the same organs, they also Do this activity after dissecting the female frog. What is the function of the nervous system?
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If there is a red outline, try again.ĭissect : Carefully dissect all of the organs out of the frog’s chest and place them in theĬorrect positions in the organ system diagrams on the right.Ĭlick on the Right and Left arrows at the top of the Skeletal system diagram to switch to If you have dragged it into the correct position, the feedback below theĭiagram will say so. Click on and drag the sternum from the frog to the Skeletal system diagram. Find theĭo you see an organ in the frog’s chest on the left that looks like the sternum? Yesĭissect : Select the Forceps. Identify : Take a look at the Skeletal system diagram at the right side of the Gizmo. The skin and muscles get pinned down by the pins and stay there during the dissection. (After selecting Pins, click on the skin and muscle flaps.) Use the forceps to pull the skin and muscles open again and then use the Pins tool to Pins are needed to hold the skin and muscles in place or else they might fold back onto theīody. Muscles open up to show the skeletal system.ĭissect : Pause for a few seconds. What happens? The forceps open up the skin to show the muscles of the frog
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Click on the skin and muscles a few times. Dissect : Select the Scalpel tool and click on the frog. You willĭissect a female frog and identify the organs involved in these processes.ġ. Introduction: Inside the frog’s torso are organs that allow the frog to move, breathe, circulateīlood, digest food, excrete waste, reproduce, respond to stimuli, and fight off infections. Select Show female (if not already selected). I see a dark patch under the mouth and rough patches across the legs. Click Show male and Show female to toggle back and forthĭo you notice any differences between the male and female frog? Male frogs have a dark patch.ĭescribe any differences you see. Now select Show male at the bottom left to switch to the male frog. With the rotate button selected, click andĭrag on the frog to rotate it. In the Frog Dissection Gizmo, you willĬomplete a virtual dissection of a female and male frog.įirst, select the Female frog. So, scientists can also learn more about humanĪnatomy.
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More about their anatomy, or body structure. Scientists dissect (cut up) other organisms to learn Because frogs do the same processes as humans, despite being reptiles, they would still have similar if not identical organs. Do you think frogs have the same or different organs? Explain. Stomach, Small intestine, large intestine, Mouth.Ģ. Name some of the organs humans use to digest food. Prior Knowledge Questions (Do these BEFORE using the Gizmo.)ġ. Lymph vessels, ovary, oviduct, ovisac, rectum, sternum, testis, vasa efferentia, vertebrae Vocabulary: anatomy, appendix, diaphragm, dissect, fertilize, heart, large intestines, lungs, Name: Alec Avila Date: 5/26/ Student Exploration: Frog Dissection