Do a web search, to identify and watch at least three frog dissection videos. Use the information to...

Question

Do a web search, to identify and watch at least three frog dissection videos. Use the information to answer all pertinent questions and sections of the frog dissection activity in your lab Manuel. This includes all questions on the lab review sheet as well. As always you may be presented with questions in the review that you specifically did not encounter, but the information is at your disposable.

Then upload the your lab pages and or type the answers to the questions.

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Malvika · Accepted Answer

57336
Observation: External Anatomy of the Frog
Function of tympanum – Tympanic membrane is also known as tympanum in the frog. It is present as the circular patch of skin that is located directly behind the eye of the frog and is also called the ear drum. The tympanum functions like an ear drum and transmits the sound waves to the middle ear and inner ear. Thus, the tympanum allows the frog to hear both inside water and outside water i.e. on the land. The membrane also helps to keep the ear of the frog as it prevents the entry of water and debris inside the ear. 
Function of nares – Nares in frog function like nostrils in other animals. There are two types of nares in the frogs i.e. the external and the internal. These allow the frogs to breathe as they provide oxygen to frog when they are not inside the water. When the frogs are inside the water, they breathe through their skin. 
Longest pair of limbs – The hind feet are the longest pair of limbs in the frog that contain five phalanges. 
Locomotion of frog on land – the hind legs of frog are powerful and allow it to move on both land and water. On land, the frog moves by leaping forward. The muscles in the thigh known as extensors contract which extend the limb and thrust the foot against the ground. The thrust moves in the body of the frog through the pelvic girdle and the spine and the animals is pushed forward. The fore limbs help to absorb the shock when the frog lands after the jump. 
Locomotion of frog in water – Movement in water is similar to that on the land as the hind limbs thrust on the water with the help of the webbed feet.

Do a web search, to identify and watch at least three frog dissection videos. Use the information to answer all pertinent questions and sections of the frog dissection activity in your lab Manuel....

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