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

Explain the fluoride toxicity, Explain the Fluoride Toxicity? Fluoride ...

Explain the Fluoride Toxicity? Fluoride is a cumulative toxin. Ingestion of fluoride 1.0-1.5 mg/L for several years may produce dental fluorosis, i.e. browning and pitting of t

Define cerebral hemisphere tissue, Q. Define cerebral hemisphere tissue? ...

Q. Define cerebral hemisphere tissue? CEREBRAL WHITE MATTER - The remaining cerebral hemisphere tissue is the deeper cerebral white matter (60% of cerebral volume) which includ

Biological functions in which chlorine ions participate, Q. What are the ma...

Q. What are the major biological functions in which chlorine ions participate? Like sodium cations, chlorine anions actively participate in the regulation of the osmolarity of

Invertebrate, classification of invertebrate

classification of invertebrate

Meiosis, does crossing over occur in all the homologous chromosomes???

does crossing over occur in all the homologous chromosomes???

What is S shaped incision, Q. What is S shaped incision? The S - shaped...

Q. What is S shaped incision? The S - shaped incision is indicated where a papilla needs to be developed and was first described by Palacci. This type of incision is essentiall

AP Biology, Explain the difference between endoparasite, ecctoparasite, and...

Explain the difference between endoparasite, ecctoparasite, and parasitoidism

Classification of pollution sources, The man-made sources of air pollution ...

The man-made sources of air pollution are broadly categorized into three: Point or stationary sources:  it includes such sources which pollute at particular. Pollutants from

Developmental biology, a sea urchin egg is injected with an mRNA encoding t...

a sea urchin egg is injected with an mRNA encoding the cadherin protein fragment described above and an mRNA encoding the Pmar1 transcription factor. The embryo is allowed to devel

Common disease of sheep, COMMON DISEASE OF SHEEP - 1 .       ANTHRAX ...

COMMON DISEASE OF SHEEP - 1 .       ANTHRAX - Persons working in wool factories may get infection by breathing. 2 .       BLACK QURTER 3 .       HAEMORRHAGIC S

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