Question
Download Solution PDFCrocodiles have ______ heart chambers.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is four.
Key Points
- Crocodiles have four-chamber hearts.
- Most reptiles have two atria and one ventricle.
- The only exceptions are the living species of crocodilians (alligators, caimans, crocodiles, and gharials) who, like birds and mammals, have four-chambered hearts with two atria and two ventricles.
Additional Information
- Endotherm or Homeotherm have well developed four-chamber heart. Examples:- Birds and mammals.
- They can maintain constant body temperature.
- Poikilotherm or Ectotherm do not have a well-developed heart, so they can not maintain constant body temperature. Examples:- Amphibians and reptiles.
- Fishes have a two-chamber heart.
- Amphibians have three-chamber heart.
- The cockroach has thirteen chamber hearts.
Last updated on Jun 17, 2025
-> The SSC has now postponed the SSC CPO Recruitment 2025 on 16th June 2025. As per the notice, the detailed notification will be released in due course.
-> The Application Dates will be rescheduled in the notification.
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