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

Primitive arthropods, Primitive Arthropods The primitive arthropods, O...

Primitive Arthropods The primitive arthropods, Onychophora (for example Peripatus) have a series of paired legs which are not jointed but have a ringed appearance because of t

What are the personal protective equipments for infection, What are the per...

What are the personal protective equipments for infection control? Personal protective equipments for infection control are: Protective clothing Masks Protective eyewe

What is lasting form in gametophyte-pteridophytes-sporophyte, What is the l...

What is the lasting form in the gametophyte, pteridophytes or the sporophyte? How can it be compared to bryophytes? The lasting form in pteridophytes is the diploid (2n) sporop

Define incision - endodontic surgery, Define Incision - Endodontic Surgery ...

Define Incision - Endodontic Surgery Incisions are accomplished by using one of four scalpel blades: No. 11, No. 12, No. 15, and No. 15-C Horizontal incision should be m

The prs kit for post removal uses-endodontics principles, The PRS kit is co...

The PRS kit is comprised of -5 variously sized trephines and corresponding tubes according to material if it's silver or silver point -A transmetal bur

Explain the systemic antibiotic cover, Explain the systemic antibiotic cove...

Explain the systemic antibiotic cover The need for systemic antibiotic cover should be considered. The original protocols recommended an antibiotic such as amoxicillin 250 mg

Why do roots of many swamp plants have a special morphology, Why do roots o...

Why do roots of many swamp plants have a special morphology? Swamp and marsh plants usually present supporting roots that ramify from portions of the stem above the ground help

Describe the structure of body wall of ascaris, Question 1 Write a short n...

Question 1 Write a short note on the following 1 Class polychaeta

Can you illutrate autoimmune diseases, Q. What is the name given to conditi...

Q. What is the name given to conditions in which the own immune system of the individual is the agent of diseases? What are some examples of these conditions? Diseases caused b

Discovery of plant hormones, Discovery of Plant Hormones To date, five...

Discovery of Plant Hormones To date, five major classes of plant hormones have been discovered namely auxins, gibberellins, cytokinins, abscisic acid and ethylene. It is possi

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages