Heart of cockroach, Biology

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

Posted Date: 8/29/2012 9:07:18 AM | Location : United States







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

Write discussion on Heart of cockroach
Your posts are moderated
Related Questions
How is the depolarization of the neuronal plasma membrane generated? How does the cell return to its original rest? When the neuron receives a stimulus by the binding of neurot

Explain the Principle of Nelson-Somogyi Method? Glucose is estimated by Nelson-Somogyi method. We begin our study of this method by getting to know the principle involved in th

Advantages of Autonomous Transactions An autonomous transaction, once started is fully independent. It shares no locks, resources, or commit-dependency with the main transacti


What are mineral salts? Where in living beings can mineral salts are found? Mineral salts are simple inorganic substances made of metallic chemical elements, such as iron, sodi

Q. Dietary Management of Children with Diarrhoea? Diarrhoeas are more common in children and malnutrition often leads to the elicitation of this symptom as undernourished are m

Several living organisms exhibit the unique property of producing visible light. Compound that is oxidized with subsequent light emission is generally referred to as luciferin. Wha

Name a few foods which are best blanched? Yes, green beans, carrots, okra, turnip and cabbage should always be blanched. On the other hand, blanching is not needed for onions,

Meselson and Stahl demonstrated that DNA replication is a semi-conservative process. Which of the following best explains the definition of "semi-conservative"? A. The two stra

Q. Etiological factors contributing to lactose intolerance? The etiological factors contributing to lactose intolerance include: • Genetic factor • Reduction in jejunal