Adaptations in skeleton for upright posture, Biology

Assignment Help:

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.


Related Discussions:- Adaptations in skeleton for upright posture

Prevention and control of shigella food borne infection, Prevention and Con...

Prevention and Control of Shigella food borne infection The control of  Shigella food borne infection is similar to that of salmonellae; avoiding contamination of foods by ani

Concept of fitness, While discussing the Darwinian premise of natural selec...

While discussing the Darwinian premise of natural selection we observed that the term selection is synonymous with non-random reproduction, and that the success of the survivors is

Abolition of arrhythmias by exercise, Q. Abolition of Arrhythmias by Exerci...

Q. Abolition of Arrhythmias by Exercise? The induction of arrhythmias by exercise is well recognized, but the abolition of ectopic activity is less commonly appreciated. The me

Explain venous pulsation, Explain venous pulsation? Venous Pulsation: N...

Explain venous pulsation? Venous Pulsation: Normally the jugular venous pulsation faithfully reflects the pressure changes in right atrium. It is described as a, x, c, x, v, y,

Original cell progresses to the g2, A cell in G1 of interphase has 12 chrom...

A cell in G1 of interphase has 12 chromosomes. How many chromosomes and DNA molecules will be found per cell when this original cell progresses to the G2?

Determine the classification of colloidal systems, Classification of Colloi...

Classification of Colloidal Systems Thomas Graham referred to colloids as  the study of sub microscope dispersion. According to him, it dealt with the dispersed systems of a de

Malarial disease, Malarial disease Malaria is a disease known since ...

Malarial disease Malaria is a disease known since ancient times almost from 5th century B.C. The word malaria actually means bad air. It was believed that malaria is c

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