Adaptations in skeleton for upright posture, Biology

ADAPTATIONS IN SKELETON FOR UPRIGHT POSTURE -

1.      Foramen magnum is directed downward so that the head may rest vertically on the vertebral column.

2.      Four curves in the back bone keep the centre of gravity near the heels. It helps in balancing & makes walking erect on two legs much easire. (Bipedal)

3.      Thorax is wider from side to side than from front to back, this helps to maintain equilibrium.

4.      Bowl like pelvis supports the lower abdominal viscera.

5.      Metacorples from a wide palm & the polles is opposable. This makes the hand a grasping organ to work with it.

6.      Leg bones are stronger & carry full weight of body in locomotion.

7.      Broad feet provide stability in the upright posture.

8.      Increased mobility of the neck to see all round.

Posted Date: 10/3/2012 1:08:58 AM | Location : United States







Related Discussions:- Adaptations in skeleton for upright posture, Assignment Help, Ask Question on Adaptations in skeleton for upright posture, Get Answer, Expert's Help, Adaptations in skeleton for upright posture Discussions

Write discussion on Adaptations in skeleton for upright posture
Your posts are moderated
Related Questions
what is non conventional feed

Q. Write the meaning of Hypoglycemia? Hypoglycemia is a Greek term: hypo -meaning less; glyc - means sweet; and emia - means "of the blood". It is a condition in which less th

Q. Investigation of aortic regurgitation by Echocardiogram? Echocardiography is done to confirm the diagnosis of aortic regurgitation, evaluate the cause of AR and assess the a

State about the importance of Potassium  Potassium is the third major element required for plant growth, generally absorbed as K + ion. In soil 95 to 99 percent of potassium e

Q. Explain about Spring Model ? The spring model depicts elasticity. A force is applied in terms of load onto the spring as illustrated in the figure 8.6. When the force is app

Consider an ecosystem consisting of a prey and a predator. If H is the density of prey, P is the density of predator, r is the intrinsic rate of prey population enhance and q is th

Pericardial Effusion:  Indications for Surgery: Pericardial effusion may be the result of peiicarditis due to infection, autoimmune disease or neoplasm. Non-inflammatoly diseases

Explain about Riboflavin Aqueous solution shows a pronounced green-yellow fluorescence, which is maximal at a pH of about, 6-7 and disappears upon the addition of acids and al

Degrade a monoglyceride that has an 18-carbon fatty acid attached to it by Ester bonds. You will have to degrade the glycerol component followed by the fatty acid in presence of O2

why are the microspores in groups of four?