Human lungs, Biology

Assignment Help:
Human lungs
  1. A pair of spongy, elastic and bag like structures of lungs is present in the chest cavity, one on either side of the heart.
  2. Lungs are enclosed by a double layer called PLEURA which protects the lungs from injury.
  3. Space between the two membranes of the pleura is filled with pleural fluid.
  4. Right lung is larger than left lung. Right lung is made up of three lobes while the left has only two lobes.
  5. The lung has several thousands of alveoli.
  6. Alveoli are supplied with blood capillaries.
  7. The deoxygenated blood is brought to lungs by pulmonary artery, which divides into arterioles and capillaries.
  8. Exchange of gases occurs in the alveoli.
  9. Oxygenated blood is carried from lungs to the heart by pulmonary vein.

1189_Human lungs.png


Related Discussions:- Human lungs

Explain the indole production test, Explain the Indole Production Test? ...

Explain the Indole Production Test? Many microorganisms produce an enzyme tryptophanase which oxidizes amino acid tryptophan to produce pyruvic acid, indole and ammonia. We can

Explain about the importance of vitamin e in human body, Explain about the ...

Explain about the Importance of Vitamin E in Human Body? Vitamin E is the generic term for tocopherols and tocopherols that have a Phenolic functional group on a chromane ring

Signify the term - trachea, Signify the term - Trachea Part of the resp...

Signify the term - Trachea Part of the respiratory system in insects, vertebrates and some spiders. In invertebrates it comprise tubules carrying air directly from outside to t

Photosynthesis, Photosynthesis Two main energy pathways are recognised...

Photosynthesis Two main energy pathways are recognised in living systems. These are photosynthesis and cellular respiration. Both have their respective but different electron

Illustrate mitral valve orifice area, Q. Illustrate Mitral Valve Orifice Ar...

Q. Illustrate Mitral Valve Orifice Area? The normal mitral valve orifice in an adult is 4-5cm 2 when the valve is completely open in diastole. When the mitral valve orifice ar

To show the direction of sprout growth in seeds, To show the direction of s...

To show the direction of sprout growth in seeds Soak pumpkin or other large seeds overnight and fasten three of them on needles as shown in the diagram. Fasten single with the

Extinction, EXTINCTIO N  - It refers to disappearance of a species from...

EXTINCTIO N  - It refers to disappearance of a species from earth when its last surviving member dies. Organic evolution not only creats new sps. but also eliminates some ol

Define proteins in the immune system, Define Proteins in the immune system?...

Define Proteins in the immune system? Proteins such as γ-globulin serve to protect the body against foreign cells. The immunoglobulin produced by lymphocytes is the large polyp

Define the parathyroid gland cells, Which of the following serves as a sens...

Which of the following serves as a sensor, or as part of a sensor, that functions in a negative feedback system? A. CaSRs (Calcium-Sensing Receptors) located in the plasma memb

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