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

Theory of pangenesis, THEO R Y OF PANGENESIS - To make up the weaknes...

THEO R Y OF PANGENESIS - To make up the weakness of inheritance Darwin in this theory assumed the existence of Pangenes (gem mules) as small units (representives) of each par

Define disadvantages of using the plate counts method, Define Disadvantages...

Define Disadvantages of Using the Plate Counts Method? 1. It takes time, usually 24 hours or more is required to obtain visible colonies. 2. Microbial count obtained depends

What is an analogy for a smooth endoplasmic reticulum, What is an analogy f...

What is an analogy for a smooth endoplasmic reticulum? Endoplasmic reticulum (ER) is such as a manufacturing plant, like a factory, where proteins and lipids are made. This is

Cell, The scientist who described cells as “many little boxes” was

The scientist who described cells as “many little boxes” was

Show the signs and symptoms of implant failure, Q. Show the Signs and sympt...

Q. Show the Signs and symptoms of implant failure? Signs and symptoms of implant failure are : 1.  Horizontal mobility beyond 0.5 mm or any clinically observed vertical move

Explain the systemic metabolic responses, Explain the Systemic Metabolic Re...

Explain the Systemic Metabolic Responses? Many of the metabolic responses to infection are similar to those following injury. The key changes include: Hyper metabolism: Oxyg

Energy, what are the types of pyramids studied

what are the types of pyramids studied

Relaxin - reproduction, Normal 0 false false false EN-I...

Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4

How age factors affect the requirement of protein, How age factors affect t...

How age factors affect the requirement of protein? Age: Protein in excess of maintenance needs is required, when a new tissue is being fornled. Certain age periods, when growth

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