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

Osmoregulation, how is water lost from respiratory surface

how is water lost from respiratory surface

Zoonotic diseases-influenza, Influenza Influenza is an acute infectious di...

Influenza Influenza is an acute infectious disease caused by influenza viruses of genus Orthomyxovirus in family Orthomyxoviridae. The name Influenza is derived from an Italian ph

What is hyperhomocysteinaemia, What is Hyperhomocysteinaemia ? Homocyst...

What is Hyperhomocysteinaemia ? Homocysteine has been considered as a risk factor for Cardio-vascular diseases because of many epidemiological and observational studies showing

Pericardium, The heart is enclosed in a membranous sac called the pericardi...

The heart is enclosed in a membranous sac called the pericardium. It has two layers- the fibrous pericardium which is the outer layer and the serous pericardium that lies inside th

Coevolution of plant-herbivores, There has been a perfect coevolution betwe...

There has been a perfect coevolution between plants and herbivorous animals. This has often developed into a mutually beneficial relationship. Whereas the plants have proved to be

Define fat needs in nutrient requirement, Define Fat needs in Nutrient Requ...

Define Fat needs in Nutrient Requirement and Dietary Management? As we have learnt earlier on enteral and parenteral feedings; administration of lipids should be carried out ca

Pressure and continuity, Pressure and Continuity Pressure Water...

Pressure and Continuity Pressure Water pressure increases with depth which varies in the ocean from 1 atmosphere where at the surface to 1000 atmosphere at the greatest

What is cardiac tamponade, Q. What is Cardiac tamponade? Cardiac tampon...

Q. What is Cardiac tamponade? Cardiac tamponade is that situation where increase in pericardial fluid raises the intrapericardial pressure which interferes with diastolic filli

Define agar syringe or agar sausage method, Define Agar Syringe/Agar Sausag...

Define Agar Syringe/Agar Sausage Method? Agar syringe method involves 100 ml syringe, which is filled with agar. A layer of agar is pushed beyond the end of the barrel by means

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