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Anatomy of Frog Video Lecture | Biology Class 11 - NEET

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FAQs on Anatomy of Frog Video Lecture - Biology Class 11 - NEET

1. What are the main external features of a frog?
Ans. Frogs have distinct external features that include a moist skin, webbed feet for swimming, bulging eyes for excellent vision, and a long, muscular hind leg that aids in jumping. Their skin can also vary in color and pattern, which helps in camouflage.
2. How does the respiratory system of a frog function?
Ans. Frogs have a unique respiratory system that allows them to breathe through their skin (cutaneous respiration) as well as through their lungs. When they are in water, they can absorb oxygen directly through their skin, while on land, they primarily use their lungs. Frogs also have a specialized vocal sac that allows them to make calls.
3. What is the role of the frog's heart in its circulatory system?
Ans. The frog's heart has three chambers: two atria and one ventricle. This structure allows for the separation of oxygenated and deoxygenated blood to some extent. The heart pumps blood to the lungs for oxygenation and then to the rest of the body, playing a key role in maintaining efficient circulation.
4. How do frogs reproduce and what is their developmental process?
Ans. Frogs reproduce through external fertilization, where the female lays eggs in water, and the male fertilizes them externally. The eggs hatch into tadpoles, which undergo metamorphosis over several weeks, developing limbs and losing their tails to become adult frogs.
5. What adaptations do frogs have for their environment?
Ans. Frogs have several adaptations for survival, including their permeable skin that allows for gas exchange and moisture retention, their strong hind legs for jumping and swimming, and their coloration that provides camouflage against predators. These adaptations help them thrive both in aquatic and terrestrial environments.
182 videos|367 docs|152 tests
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