A reptile having four chambered heart isa)Snakeb)Salamanderc)Crocodiled)LizardsCorrect answer is option 'C'. Can you explain this answer?

Question

Answer

Except for crocodilians, which have a four-chambered heart, all reptiles have a three-chambered heart consisting of two atria and one ventricle.

Answer

Reptiles have 3 chambered heart nd it's exception is crocodile. Option C is correct.

Answer

Crocodile is only reptile having 4 chambered heart. otherwise else have 3 chambered heart with one common ventricle and differentiated atria

Answer

C

Answer

Reptiles and their hearts
Reptiles are a diverse group of animals that include snakes, lizards, turtles, crocodiles, and more. They are characterized by their dry, scaly skin and the ability to lay eggs on land. One important feature that distinguishes reptiles from other animals is their circulatory system, specifically their heart.

The reptile heart
The reptile heart is a specialized organ responsible for pumping blood throughout the body. It consists of four chambers, making it a four-chambered heart. Each chamber has a specific function and is essential for maintaining a reptile's overall health and survival.

The four chambers of a reptile heart
1. Right atrium: The right atrium receives deoxygenated blood from the body's tissues through the superior and inferior vena cava. It then contracts to pump the blood into the right ventricle.
2. Right ventricle: The right ventricle receives the deoxygenated blood from the right atrium and pumps it to the lungs for oxygenation. This chamber is responsible for pumping blood to the lungs.
3. Left atrium: The left atrium receives oxygenated blood from the lungs through the pulmonary veins. It then contracts to pump the blood into the left ventricle.
4. Left ventricle: The left ventricle receives the oxygenated blood from the left atrium and pumps it to the rest of the body. This chamber is responsible for supplying oxygenated blood to the reptile's organs and tissues.

The importance of a four-chambered heart in reptiles
A four-chambered heart provides several advantages to reptiles:
1. Efficient separation of oxygenated and deoxygenated blood: The separation of oxygenated and deoxygenated blood allows for efficient oxygen delivery to the body's tissues. This is particularly important for reptiles that have high metabolic rates and require a constant supply of oxygen.
2. Improved oxygenation: The separation of blood in the heart ensures that oxygenated blood is pumped to the body's organs and tissues, while deoxygenated blood is directed to the lungs for oxygenation. This ensures that oxygen is efficiently distributed throughout the reptile's body.
3. Increased stamina and endurance: The four-chambered heart allows reptiles to have better stamina and endurance compared to animals with less efficient circulatory systems. This is especially important for reptiles that engage in activities such as hunting and long-distance migrations.

Conclusion
In conclusion, a reptile with a four-chambered heart is a crocodile. This unique adaptation allows crocodiles to efficiently supply oxygenated blood to their organs and tissues, enabling them to thrive in their aquatic and terrestrial habitats.

Answer

C. crocodile

Answer

Answer

Reptiles generally possess three chamber heart, two upper chamber and single lower chamber. But in crocodile, the heart is four chambered having two atrium and two ventricles.

Answer

3600 students were registered in an examination. Among them, 2880 passed in Mathematics, 2556 in English, 360 failed in both subjects and 252 did not appear in the examination. Find the number of students who passed in both subjects by representing the above information in a venn diagram.

Answer

Crocodile has four chambered heart unlike all other reptiles,all other are having a three chambered heart.

Top Courses for NEETView all

Biology Class 11

Daily Test for NEET Preparation

NEET Mock Test Series 2025

Topic-wise MCQ Tests for NEET

Physics Class 11

Top Courses for NEET

Top Courses for NEET

Suggested Free Tests

Related Content

About NEET

NEET Preparation Material

How to Prepare for NEET Exam?

NCERT Based Study Material

NEET Mock Tests

Other Popular Exams

Company