Human respiratory system - thoracic cavity, Biology

Assignment Help:

THORACIC CAVITY -

  1. Thoracic cavity is air tight. On dorsal side vertebral column present.
  2. On ventral side sternum present. On lateral side 12 pairs ribs present.
  3. On posterior side diaphragm present which is fibro muscular, radial muscles present.
  4. Diaphragm is helpfull in micturition, parturition and defaecation.
  5. In pregnency diaphragm becomes inactive. So rate of respiration is increased.
  6. In singers diaphragm is more active.Between ribs 11 pairs inter costal muscles are present. 8-12 are floating ribs.

Related Discussions:- Human respiratory system - thoracic cavity

State the term - viral infections, State the term - Viral Infections A ...

State the term - Viral Infections A virus is an encapsulated aggregate of nucleic acid that may be made of either DNA or RNA. Some viruses, such as those causing poliomyelitis

Explain somatic hybridisation, a) Explain somatic hybridisation? b) De...

a) Explain somatic hybridisation? b) Describe the various steps involved in the process. Mention any two uses of somatic hybridisation

Of which main compounds is the mitochondrion structure made, Of which main ...

Of which main compounds is the mitochondrion structure made? Mitochondria are organelles delimited by two lipid membranes. The inner membrane invaginates to the interior of the

Explain immunogenicity, Immunogenicity  The safety and immunogenicity o...

Immunogenicity  The safety and immunogenicity of the new vaccine was evaluated in two unpublished studies that are summarized in the package insert. Among 1280 adults (18-55 ye

Disease, what is the differnce between syndrome and symptom?

what is the differnce between syndrome and symptom?

Cytokinins - apical dominance, Cytokinins - Apical Dominance Cytokinin...

Cytokinins - Apical Dominance Cytokinins are also involved in the regulation of apical dominance. Wickson and Thimann studied the interaction of cytokinins and auxins in contr

Determine the seeds in the plant kingdom, What is the evolutionary importan...

What is the evolutionary importance of the emergence of seeds in the plant kingdom? The evolutionary significance of the seed is related to the plant capability of distant colo

Phylum cnidaria (coelenterata ), PHYLUM  CNIDARIA (= COELENTERATA )       ...

PHYLUM  CNIDARIA (= COELENTERATA )         Definition and Introduction Tissue  grade eumetazoans with  a radial  symmetry .The  term  coelenterate  signifies the  presence

Determine uses of soybean protein, Determine uses of Soybean protein? S...

Determine uses of Soybean protein? Soybean protein concentrates have been used as stabilized dispersions in milk- like beverages and simulated dairy products, such as sour crea

How do copper and hormone releasing iuds, a) How do copper and hormone rele...

a) How do copper and hormone releasing IUDs act as contraceptives? Describe. b) If you squeeze a seed of orange you may be observe many embryos of different sizes.  How is it

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