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robob776

Answer:

Flexibility: pectoral girdle is more flexible-less ligaments, ball and socket joint is shallower

Security: pelvic girdle is more secure, deeper socket. there are more dislocated shoulders than dislocated hips

ability to bear weight: pelvic girdle can bear more weight-the pelvic girdle has bones that are fused (os coxa) and a joint with the sacrum. the pectoral girdle has a little bone called the clavicle connecting it to the body wall.

Explanation:

Histrionicus

The pelvic gridle is rigid to protect internal organs and support body weight whereas pectoral gridle require to provide movement to upper limbs.

The girdles are part of the appendicular skeleton which is attached to upper limbs and lower limbs, The upper limbs attach to pectoral gridles and lower limbs attached to pelvic gridles.

1. The pectoral gridle:

  • connects your upper limbs to the bones along the axis of your body.
  • The pectoral girdle has two bones clavicle, or collarbone and scapula, or shoulder blade.
  • it has ball and socket joint that provide movement to the upper limb.

2. The pelvic gridle:

  • made up of left and right coxal bones and sacrum
  • attached to legs or lower limbs therefore, called hipbones
  • supports body weight and protect internal organs
  • it is rigid needed to support the weight of the body.

Thus, the correct answer is - The pelvic gridle is rigid to protect internal organs and support body weight whereas pectoral gridle require to provide movement to upper limbs.

Learn more about pectoral gridles:

https://brainly.com/question/20926776

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