Heart in fishes, Biology

Assignment Help:

Fishes -

  1. Heart is 2 chambered 1 auricle & 1 ventricle present. Sinus venosus, truncus or conus arteriusus present.
  2. Only impure blood come in heart so heart is venous heart or brachial heart.
  3. Single circulation present i.e. blood comes in heart only once in one complete circulation.
  4. An advantage of single ciruclation is that entire body receives pure blood. A disadvantage is that the narrow gill capillaries slow down the flow of blood and body receives blood at the low pressure.

Note :- In lung fishes heart is 3 chambered.

772_Fish heart.png


Related Discussions:- Heart in fishes

Taxonomy, What category do pisces, mammalla, amphibia, reptilia and aves fa...

What category do pisces, mammalla, amphibia, reptilia and aves fall into

Coronary arteries, Coronary Arteries The right coronary artery origina...

Coronary Arteries The right coronary artery originates form the right aortic valvular cusp, its, SA nodal branch supplies the SA node and AV nodal branch supply the AV nod

Precautions for determination of fungal and yeast count, Explain Precaution...

Explain Precautions for Determination of Fungal and Yeast Count? 1. Maintain aseptic conditions. 2. Keep alcohol away from flame. 3. To avoid infections and allergies, ca

Biology , Biology : Biology may be defined the study of living organisms. I...

Biology : Biology may be defined the study of living organisms. It mainly deals with the characteristics of living organisms and their classification. It is also concerned with the

The cell, how does autophagy help in converting a tadpole larva into an adu...

how does autophagy help in converting a tadpole larva into an adult amphibian

Classification, claasification of phylum porifera

claasification of phylum porifera

Counselling of pace programme, Q. Counselling of PACE programme? Counse...

Q. Counselling of PACE programme? Counselling is a key component of a PACE programme. Counselling is a process that enables a person to identify problems and find a solution or

Determine the exercises require to do diabetic patient, Determine the Exerc...

Determine the Exercises require to do diabetic patient Exercises are any bodily activity that enhances or maintain physical fitness and overall health. It is performed for stre

To observe yeast plants, To observe yeast plants Borrow a microscope fr...

To observe yeast plants Borrow a microscope from a college, a high school, a doctor or a hospital. Place a some drops of the sugar solution which having yeast on a glass slide

Measuring biodiversity, Conservation and management of biodiversity require...

Conservation and management of biodiversity require measurement of biodiversity because it is important to make choices about "what, where, and how" to conserve. Measurement can be

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd