CBSE ENGLISH LANGUAGE & LITERATURE

Detailed explanation-1: -The respiratory system consists of the lungs. Just like humans and all mammals, Siberian tigers breathe through their nose and mouth into their lungs. When air is breathed into the lungs it absorbs all the oxygen and exhales the carbon dioxide.

Detailed explanation-2: -In animals like cow, tiger, dog etc. the respiratory organs and the process of breathing are similar to those in humans. They have a pair of lungs in their chest cavity and respires in the same way as human beings.

Detailed explanation-3: -Tigers, like other carnivores, have a Jacobson organ in the roof of their mouth. The Jacobson organ is a pouch-like structure located directly behind the front incisors.

Detailed explanation-4: -Lung breathing: Mammals, birds, reptiles and some amphibians. Gill breathing: Fish and crabs.

Detailed explanation-5: -Lungs are an important organ for the respiration process and taking oxygen inside. The lungs of birds are the best among all organisms. They can intake two times more oxygen in their lungs. They are the most efficient breathers among all animals.