Below is a photograph obtained from the pelvic region of a human being and showing some bones of the vertebral column. Examine it carefully and...

      

Below is a photograph obtained from the pelvic region of a human being and showing some bones of the vertebral column. Examine it carefully and answer the questions that follow.
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a) Identify the bones labeled 1,2 and 3
b) (i) Name the type of joint formed at the proximal end of bone as 3 as it articulates with the adjacent bone (1mk)
(ii) Give an observable feature on bone 3 for your answer in (b) (i) above
c) (i) Identify the part labeled P
(ii)Give two functions of the part identified in (c) (i) above
d) Using observable features only, state how bone 1 is adapted to its functions
e) (i) Identify the part labeled Q
(ii) Give the function of the part labeled Q

  

Answers


sharon
a) 1ilium
2 coccyx
3 Femur
b) (i) Ball and socket joint rej. Hip joint / ball socket/ ball joint
(ii) Ferum
c) (i) Lumbar vertebra; rej Lumbar vertebrae
(ii)Large surface area for attachment of muscles
Protects spinal cord / nerves
d) It is wide to provide a large surface area for attachment of muscles
It is large to provide firm support to the body of animals
e) (i) Obturator foramen
(ii) Allows passage of blood, nerves and muscles
sharon kalunda answered the question on May 23, 2019 at 14:41


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