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
Define Estimation of Iron in any Solution? Iron can be determined calorimetrically. The principle is described next. Principle The iron is determined in the solution or d

Compare changes in the carbon cycle to that of the nitrogen cycle on human health. Please make a conceptual graphical model for how changing the carbon cycle is likely to impact hu


Q. Prevention and Control of Staphylococcal food poisoning? Staphylococcal food poisoning can be prevented by: 1. Avoiding contamination of food with S. aureus. 2. Prev

In Reggie's case, he fractured the proximal end of his right femur, an integral component of his hip. Name the joint disorders that Reggie is more a risk of in (a) the short term a

TYPES OF SPERM Mainly two types . (1) Flagellated Sperm - Generally all sperm are monoflagelated, but in todfish or opsonus sperm is biflagelated. (2) Non flagellated spe

What do you understand by Compound eye? The characteristic eye of the Arthropoda. It comprise many ommatidia, the basic optical unit of compund eye, grouped together to form th

Predisposing Factors The patients with diabets mellitus, malignancies and those on immunosuppressive drugs have reduced resistance and are more susceptible to develop meningi

Start with a cell with chromosome number 2n=6, and having two acrocentric pairs and one metacentric pair of chromosomes. Draw the cell in metaphase I. Indicate one pair of sister c

Question Write a short note on the following- 1 Phases of fertilization 2 Blastulation 3 Germ layer derivatives 4 Gap genes 5 Discuss any 5 potentials and limita