Human respiratory system - thoracic cavity, Biology

Assignment Help:

THORACIC CAVITY -

Thoracic cavity is air tight. On dorsal side vertebral column present.
On ventral side sternum present. On lateral side 12 pairs ribs present.
On posterior side diaphragm present which is fibro muscular, radial muscles present.
Diaphragm is helpfull in micturition, parturition and defaecation.
In pregnency diaphragm becomes inactive. So rate of respiration is increased.
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

Anterior leaflet procedure-technique of operation, Anterior Leaflet Procedu...

Anterior Leaflet Procedure: Repair is more difficult and less successful. Previously, a triangular excision of the anterior leaflet used to be done for prolapse and rupture of

Left antero lateral thoracotomy approach, Left Antero Lateral Thoracotomy A...

Left Antero Lateral Thoracotomy Approach : Arterial and central venous pressure monitoring lines are placed. A left antero lateral thoracotomy is done through the 5th or 4th

Define growth hormone releasing hormone receptors, Define GHRH Receptors (G...

Define GHRH Receptors (Growth Hormone Releasing Hormone Receptors)? A. GHRH Receptors are only located in the plasma membranes of cells in the hypothalamus. B. GHRH Receptor

What are the vitamins which make up the b complex, Q. What are the vitamins...

Q. What are the vitamins which make up the B complex? Which problems does the lack of these vitamins cause? Vitamins of the B complex are: vitamin B1 or thiamin, riboflavin, or

Define osseointegration and its theories, Q. Define osseointegration and it...

Q. Define osseointegration and its theories? Osseointegration implies that "it is a contact established without interposition of non bony tissue between normal remodeled bone a

How does the pancreatic juice help the digestion of lipids, Q. How does the...

Q. How does the pancreatic juice help the digestion of lipids? What is the involved enzyme? The enzyme pancreatic lipase is present in the pancreatic juice this enzyme breaks t

Nomenclature, Family

Family

Explain pro-oxidants - lipid oxidation, Explain Pro-Oxidants Transitio...

Explain Pro-Oxidants Transition metals, particularly those possessing two or more valency states and a suitable oxidation - reduction potential between them (e.g., cobalt, cop

Arthropoda, what is arthropods?

what is arthropods?

Controlling expression of a number of genes in e, he Lac Repressor protein,...

he Lac Repressor protein, which we will talk about a bit later in the course, is important for controlling expression of a number of genes in E. coli. There are about 10 copies of

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages