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Heart of bird...

Question

Heart of bird is .......... chambered.

A

One

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B

Two

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C

Three

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D

Four

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Solution

The correct option is D Four
There are 3 basic ways to make a heart found in animals: a 2 chambered heart, a 3 chambered heart and a 4 chambered heart. Fish have 2 chambers, one atrium and one ventricle. Amphibians and reptiles have 3 chambers: 2 atria and a ventricle. Crocodiles are the one reptilian exception, as they have 4 chambers (2 atria, 2 ventricles). Birds and mammals have 4 chambers (2 atria and 2 ventricles).

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Similar questions

Q. The heart of birds is four chambered.

Q. State whether true or false:
The heart of birds is four chambered.

Q. The heart of mammals and birds is four-chambered, while fishes have two-chambered hearts and amphibians and reptiles have three-chambered hearts. The hearts of birds and mammals are:

Q. Match the following:

\begin{matrix} (i) A m p h i b i a n s a n d m o s t r e p t i l e s & A . 2 - c h a m b e r e d h e a r t (i i) B i r d s a n d m a m m a l s & B . 3 - c h a m b e r e d h e a r t (i i i) F i s h & C .4 - c h a m b e r e d h e a r t \end{matrix}

Q. Assertion :The 4-chambered heart of birds is superior to the 4-chambered heart of crocodiles. Reason: Crocodilian heart retains both systemic arches that join, causing mixing of blood in the dorsal aorta while avian heart has lost left systemic arch.

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