Heart of cockroach, Biology

Assignment Help:
Heart of cockroach:
  1. In cockroach, heart is situated in pericardial sinus. It has13 chambers
  2. These are one behind the other. Each chamber opens into preceeding one.
  3. The last chamber is closed posteriorly. The first chamber opens into head sinus by a blood vessel called aorta.
  4. Pores called ostia are present on the side walls of these chambers.
  5. Through ostia blood enters into chambers of heart.
  6. In the heart blood flows from posterior to anterior direction.

804_Heart of cockroach.png


Related Discussions:- Heart of cockroach

Pangenesis theory - pre-mendelian theory, Pangenesis Theory (i)        ...

Pangenesis Theory (i)         Charles Darwin propounded pangenesis theory. (ii)         According to this theory every cell, of animal body produces many minute particles kn

Dehydration reaction between both molecules, Draw decanol, plamitic acid (C...

Draw decanol, plamitic acid (C16:0 fatty acid) and the resulting wax ester generated by a dehydration reaction between both molecules

Define tests for the presence of exoenzymatic activity, Define Tests for th...

Define Tests for the Presence of Exoenzymatic Activity? Microorganisms require various micro- and macro-nutrients for energy production and growth. These are obtained from the

Polysaccharides, PO L YSACCHARIDES Polysaccharides are complex car...

PO L YSACCHARIDES Polysaccharides are complex carbohydrates. Polysaccharides are also called glycans. These are insoluble in water. Polysaccharides are not swee

Explain various chemical formulas, Explain various chemical formulas? C...

Explain various chemical formulas? Chemical Formulas A molecule can be represented in any of three ways: its chemical formula, structural formula, or Lewis diagram. A chemic

Explain about the importance of vitamins, Explain about the Importance of V...

Explain about the Importance of Vitamins? Vitamins are the organic substances that act as coenzyme and/or regulator of metabolic processes. There are 13 known vitamins, most of

Valves of the heart, Valves of the Heart There are four valves which ...

Valves of the Heart There are four valves which are flap-like structures that function to maintain unidirectional (forward) blood flow through the heart chambers. These va

Photosynthesis, How does the placement of veins help to carry out their fun...

How does the placement of veins help to carry out their function of transporting materials to and from the leaf ?

Is expression of cloned gene always a success, Question 1 Is expression of...

Question 1 Is expression of cloned gene always a success? How does the method of molecular photo copying work? Question 2 Explain the control of gene expression with the exam

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