transitional heart is seen in which vertebrate?
Answers
Explanation:
Before we get going, here are some exciting heart facts to start your day with: In case your momma never told you, hearts have 2 types of chambers: atria and ventricles. Atria are where blood enters the heart and ventricles pump the blood out of the heart. Hearts take in oxygen poor blood, pump it through the pulmonary circuit (lungs/gills) where it gets oxygenated, and then they pump it out to the rest of the body. There are many many small veins (take blood to the heart) and arteries (carry it away) which connect the heart to the pulmonary circuit and keep it all running right. Blood pressure has to be carefully balanced in all tubes so that flow pressure is maintained and blood keeps moving, but not so fast as to explode certain areas or capillaries. One might say this careful and complex hydrostatic wiring might be easily selectable in an evolutionary scenario, but there's no getting around the fact that there's a very complicated and highly balanced network of biological fluid mechanics going on inside a heart than most artificial heart engineers probably care to think about.
Given all this, 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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Here is your answer..
Transitional Heart ♥ is present in reptiles..
For example, crocodile
Hope it helps you..
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