Use the link below to participate in the Virtual Frog Dissection. Answer the que

Question

Use the link below to participate in the Virtual Frog Dissection.

Answer the questions of this report during or after completion of the dissection.

http://www.mhhe.com/biosci/genbio/virtual_labs/BL_16/BL_16.html

1. Fill in the blanks next to the terms on the left, to provide the function of each item.

Tympanic membrane ____________________________

Nostrils _______________________________________

Skin __________________________________________

Glottis ________________________________________

Pancreas ______________________________________

Ovaries _______________________________________

2. Provide the correct organs that go with each of the systems below. The number represents the minimum requirement for full credit.

Digestive System (3)

Excretory System (2)

Reproductive System (2)

Respiratory System (3)

3. Provide an example of a muscle movement, and the opposite or antagonist movement. You can use diagrams, photo or descriptions. You may not use the example provided in the introduction. (biceps/triceps)  

Digestive System (3)

Excretory System (2)

Reproductive System (2)

Respiratory System (3)

Explanation / Answer

Ans.1) Organ and their function given below -

Tympanic membrane – it is the eardrum which produces sound waves and let the frog to perceive sound both in the air and underneath water.

Nostrils - The main function of nostril is to permit air to enter the mouth.

Skin – It helps in respiration.

Glottis - It help air to enter via an opening in the back of the mouth.

Pancreas - It secretes saline.

Ovaries – Its main function is to produce eggs.

2.) The correct organs with each of the systems are given below -

Digestive System (3) – Oesophagus, Duodenum, Ileum

Excretory System (2) – Kidney, Urinary bladder

Reproductive System (2) – Testes, Ovary

Respiratory System (3) – Mouth, Skin, Nostrils

3. ) Muscles that restrict or switch a specific development; help manage activity of prime mover by contracting somewhat to give some imperviousness to forestall overshooting the stamp; prime mover and opponents are situated on inverse sides of joint which they act; triceps brachii is rival for lower arm flexion.

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