Answer
396.9k+ views
Hint: Fish are the cold blooded animals which live in water. They breathe in dissolved oxygen through specialised structures called the gills. The fishes are mainly of three types: jawless fish, bony fish, cartilaginous fish.
Complete answer:
To answer this question, we must know about the structure of fish.
-The fish is an aquatic animal whose body is modified to live in water. They have a streamlined body which helps it to swim in water.
-The fish-like vertebrates have a notochord, vertebrae and a well defined body with head and tail. The external parts of fish are-
-Scales- The outer part of the fish body is covered with scales which is a part of the integumentary system. It is a part of mesoderm. It is covered with a protective layer or the slime.
-Jaw -The vertebrae jaw of the fish are not only meant for feeding but also helps in increasing the respiration efficiency.
-Eyes- The eye of a fish is similar to mammals and birds. The eyes have a rod and cone for vision in dim light and also colour vision.
-Gills Located under the operculum. It is the respiratory organ for extracting dissolved oxygen from water.
-Lateral line- It is a sense organ which helps in detecting vibrations and movement of water.
Nostril-
-Fins- It is the most important feature of fish which helps it in swimming. The types of fins are anal fin, caudal fin, dorsal fin.
Note: The heart of the fish is two chambered which pumps blood through the gills and the body. The fishes lack an external or middle ear but they have an inner ear. The other internal organs are liver, kidney, spleen, intestine, stomach etc. They also possess reproductive organs and a central nervous system.
Complete answer:
To answer this question, we must know about the structure of fish.
-The fish is an aquatic animal whose body is modified to live in water. They have a streamlined body which helps it to swim in water.
-The fish-like vertebrates have a notochord, vertebrae and a well defined body with head and tail. The external parts of fish are-
-Scales- The outer part of the fish body is covered with scales which is a part of the integumentary system. It is a part of mesoderm. It is covered with a protective layer or the slime.
-Jaw -The vertebrae jaw of the fish are not only meant for feeding but also helps in increasing the respiration efficiency.
-Eyes- The eye of a fish is similar to mammals and birds. The eyes have a rod and cone for vision in dim light and also colour vision.
-Gills Located under the operculum. It is the respiratory organ for extracting dissolved oxygen from water.
-Lateral line- It is a sense organ which helps in detecting vibrations and movement of water.
Nostril-
-Fins- It is the most important feature of fish which helps it in swimming. The types of fins are anal fin, caudal fin, dorsal fin.
![seo images](https://www.vedantu.com/question-sets/8c1c1809-7563-40dd-acf9-2650e77765495495253105018595724.png)
Note: The heart of the fish is two chambered which pumps blood through the gills and the body. The fishes lack an external or middle ear but they have an inner ear. The other internal organs are liver, kidney, spleen, intestine, stomach etc. They also possess reproductive organs and a central nervous system.
Recently Updated Pages
How many sigma and pi bonds are present in HCequiv class 11 chemistry CBSE
![arrow-right](/cdn/images/seo-templates/arrow-right.png)
Why Are Noble Gases NonReactive class 11 chemistry CBSE
![arrow-right](/cdn/images/seo-templates/arrow-right.png)
Let X and Y be the sets of all positive divisors of class 11 maths CBSE
![arrow-right](/cdn/images/seo-templates/arrow-right.png)
Let x and y be 2 real numbers which satisfy the equations class 11 maths CBSE
![arrow-right](/cdn/images/seo-templates/arrow-right.png)
Let x 4log 2sqrt 9k 1 + 7 and y dfrac132log 2sqrt5 class 11 maths CBSE
![arrow-right](/cdn/images/seo-templates/arrow-right.png)
Let x22ax+b20 and x22bx+a20 be two equations Then the class 11 maths CBSE
![arrow-right](/cdn/images/seo-templates/arrow-right.png)
Trending doubts
Fill the blanks with the suitable prepositions 1 The class 9 english CBSE
![arrow-right](/cdn/images/seo-templates/arrow-right.png)
At which age domestication of animals started A Neolithic class 11 social science CBSE
![arrow-right](/cdn/images/seo-templates/arrow-right.png)
Which are the Top 10 Largest Countries of the World?
![arrow-right](/cdn/images/seo-templates/arrow-right.png)
Give 10 examples for herbs , shrubs , climbers , creepers
![arrow-right](/cdn/images/seo-templates/arrow-right.png)
Difference between Prokaryotic cell and Eukaryotic class 11 biology CBSE
![arrow-right](/cdn/images/seo-templates/arrow-right.png)
Difference Between Plant Cell and Animal Cell
![arrow-right](/cdn/images/seo-templates/arrow-right.png)
Write a letter to the principal requesting him to grant class 10 english CBSE
![arrow-right](/cdn/images/seo-templates/arrow-right.png)
Change the following sentences into negative and interrogative class 10 english CBSE
![arrow-right](/cdn/images/seo-templates/arrow-right.png)
Fill in the blanks A 1 lakh ten thousand B 1 million class 9 maths CBSE
![arrow-right](/cdn/images/seo-templates/arrow-right.png)