Human respiratory system - thoracic cavity, Biology

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.
Posted Date: 10/1/2012 8:56:04 AM | Location : United States







Related Discussions:- Human respiratory system - thoracic cavity, Assignment Help, Ask Question on Human respiratory system - thoracic cavity, Get Answer, Expert's Help, Human respiratory system - thoracic cavity Discussions

Write discussion on Human respiratory system - thoracic cavity
Your posts are moderated
Related Questions
Use the genetic code table Assignment34 The codon GCA specifies which amino acid?

Q. Important conditions for malabsorption syndrome? Let us now discuss a few important conditions grouped collectively under the term of malabsorption syndrome. These are:

Post Operative Anticoagulation :  Thromboembolism remains a serious complication after valve replacement. Lifelong anticoagulation is requised for all patients with a prosthetic v

Explain different modes nutrition like Autotroph,hetrotroph,saprotroph,holozoic

What are the four groups of protozoans? The four major groups of protozoans are the sarcodines (that form pseudopods, like amoebae), the mastigophores (flagellated, such as the

What is the typical vegetation of the grasslands? The Grasslands are mainly formed of herbaceous (nonwoody) vegetation: grass, small trees and bushes.

Q. Biological species concept? A biological species as defined by Ernst Mayr are "groups of actually or potentially interbreeding natural populations which are reproductively


Hereditary fructose interolance is a rare recessive disorder that is caused by a mutation in the aldolase B gene. As a result of this disorder individuals may have all of the follo

In the human body, the potassium ion can pass easily through cell membranes, yet the potassium ion concentration is higher inside many cells than it is outside these cells. Could t