Relate the structural adaptations of lumbar vertebrae to their functions (6 mark).

Lumbar vertebrae have large centra (vertebral bodies) - greater weight bearing from torso (1).Contain compression membranes which aid with shock absorption from movement (1) as well as resisting compressionSpinous processes are smaller, but broader and are at right angles, as there are fewer muscles to attach to the muscle attachment point (1)Transverse process are longer (1) for attachment of large back muscles Ventral canal is narrower, due to there being fewer nerves (1) Ventral canal has thicker neural arch (1) to protect the nerves

AF
Answered by Alice F. Biology tutor

3683 Views

See similar Biology A Level tutors

Related Biology A Level answers

All answers ▸

What effect would a CO2 build up in the blood have on the body?


Describe and explain how substances dissolved in blood plasma, such as oxygen and glucose enter the tissue fluid from the capillaries.


Describe how oxygen in the air reaches capillaries surrounding alveoli in the lungs?


How does a nerve transmit impulses?


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences