Heart in fishes, Biology

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

Posted Date: 10/2/2012 12:41:07 AM | Location : United States







Related Discussions:- Heart in fishes, Assignment Help, Ask Question on Heart in fishes, Get Answer, Expert's Help, Heart in fishes Discussions

Write discussion on Heart in fishes
Your posts are moderated
Related Questions
VENOU S SYSTEM It is collecting system formed by the uniting branches as smaller and then larger veins and venacava leading to the heart. Blood from anterior part of the

Define Iron - The Micronutrient Iron, as you may be aware, is a trace element present in the body. The body contains approximately 3 - 3.5 g of iron of which about two thirds i

What is the phenomenon of the apical dominance in plants? How it can be artificially eliminated? The Apical dominance is the phenomenon by which high (over the positive range l

If two organisms share the similar kingdom, must they also share the similar domain? Explain. Two organisms that share the similar kingdom must also share the similar domain b

Describe DNA replication in details? Replication :  DNA replicates itself by first breaking the hydrogen bonds between the nitrogen base pairs, and "unzips" itself into two s

Which are the molecules that make possible active transport through membranes? Ans) Active transport is made by particular membrane proteins. These proteins are known as "pumps"

keel is the characteristic feature of flower of 1.tomato 2. tulip 3.ubdugifera 4.aloe

The stepped steel shaft illustrated in Figure is subjected to a torque (T) at the free end and a torque (2T) in the opposite direction at the junction of the two sizes.

Clinical symptoms of HIV Generally, a person infected with HIV does not show any apparent symptoms for a number (3 to 12) of years. Ten to fifteen percent infected people may,