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Frog Dissection Worksheet, Study notes of Anatomy

Université Libre de BruxellesAnatomy

Frog Dissection Pre-lab ... “Introduction” & “External Anatomy” to answer the questions. Use the second web link to label the frog's internal organs with ...

Typology: Study notes

2021/2022

Uploaded on 08/05/2022

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Name __________________________
Period____________
DUE: DAY OF DISSECTION! Dissection Date: ______________
Frog Dissection Pre-lab
Directions: Watch the virtual Dissection
http://mhhe.com/biosci/genbio/virtual_labs/BL_16/BL_16.html (link on the webpage)
“Introduction” & “External Anatomy” to answer the questions. Use the second web link to
label the frog’s internal organs with location and function. Expect to take about an hour to
prepare for this dissection.
1. Phylum__________________________________
2. SubPhylum ________________________________
3. Class ____________________________________
4. Why are frogs said to have “two lives?” _________________________________________________
_______________________________________________________________________________
_______________________________________________________________________________
External Anatomy
5. Dorsal means? ____________________________________
6. Ventral means? ___________________________________
7. Anterior means? __________________________________
8. Posterior means? __________________________________
9. Head means? _____________________________________
10. Torso means? _____________________________________
11. Frog lungs are poorly developed. How does this relate to their skin being thin and moist? _____________
________________________________________________________________________________
________________________________________________________________________________
12. How does the tympanic membrane work? _________________________________________________
_______________________________________________________________________________
13. List 2 ways forelimbs are different than hind limbs.
1. ______________________________________________________________________________
2. ______________________________________________________________________________
14. On the virtual frog dissection, what organ was removed first? _________________________________
15. On the virtual frog dissection, what organ was removed second? ________________________________
16. On the virtual frog dissection, what organ was removed third? _________________________________
17. On the virtual frog dissection, what organ was removed fourth? ________________________________
pf2

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Download Frog Dissection Worksheet and more Study notes Anatomy in PDF only on Docsity!

Name __________________________ Period____________

DUE: DAY OF DISSECTION! Dissection Date: ______________

Frog Dissection Pre-lab

Directions: Watch the virtual Dissection

http://mhhe.com/biosci/genbio/virtual_labs/BL_16/BL_16.html (link on the webpage)

“Introduction” & “External Anatomy” to answer the questions. Use the second web link to

label the frog’s internal organs with location and function. Expect to take about an hour to

prepare for this dissection.

  1. Phylum__________________________________
  2. SubPhylum ________________________________
  3. Class ____________________________________
  4. Why are frogs said to have “two lives?” _________________________________________________

External Anatomy

  1. Dorsal means? ____________________________________
  2. Ventral means? ___________________________________
  3. Anterior means? __________________________________
  4. Posterior means? __________________________________
  5. Head means? _____________________________________
  6. Torso means? _____________________________________
  7. Frog lungs are poorly developed. How does this relate to their skin being thin and moist? _____________
  1. How does the tympanic membrane work? _________________________________________________
  1. List 2 ways forelimbs are different than hind limbs.
  4. On the virtual frog dissection, what organ was removed first? _________________________________
  5. On the virtual frog dissection, what organ was removed second? ________________________________
  6. On the virtual frog dissection, what organ was removed third? _________________________________
  7. On the virtual frog dissection, what organ was removed fourth? ________________________________
  1. Frogs exchange gasses through the ____________________ and the ______________________.
  2. The glottis leads to the frog’s _______________ which connects the mouth to the ________________.
  3. Arteries carry blood ____________________ the heart. Veins carry blood __________ the heart.
  4. _________________________ connect arteries to veins.
  5. A frog’s heart has ___________ chambers. Two atrium and _____ ventricle.
  6. Urine and solid waste leaves the frog’s body through an opening called the _______________________.
  7. Muscle tissue is usually grouped into large ___________________________.
  8. A frog’s skeleton is made up of _____ regions.
  9. The axial region consists of _________ bones. The appendicular skeleton consists of ________ bones.
  10. The frog’s tongue is anchored in the very front – opposite to the orientation and anchoring of humans. Why do you think this is so? __________________________

Instructions for Internal Anatomy

28. You will need to visit the second website to identify the location and function of each organ of

the frog’s internal anatomy: http://www.biologycorner.com/bio2/notes-frog.html (Link is on

webpage) ***Please color code the parts.

o A. Esophagus (yellow)______________________________ o _____________________________________________ o C. Stomach (purple)________________________________ o _____________________________________________ o D. Pancreas (orange)_______________________________ o ____________________________________________ o F. Cloaca (black)__________________________________ o ___________________________________________ o H. Lung (dark blue)________________________________

o ___________________________________________ o I. Heart (red)__________________________________ o ____________________________________________ o J. Liver (brown)__________________________________ o ___________________________________________ o K. Gallbladder (lt. green)____________________________ o ___________________________________________ o L. Small Intestine (Dark green)________________________ o _____________________________________________ o M. Large Intestine (lt. blue)__________________________