Answer
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Hint:Girdle is a set of bones present in the appendicular skeleton present in the arm and hips. They help in anchorage to the axial skeleton.
Complete answer:
The human skeletal system is made up of 206 bones and it is made up of cartilage, tendons, ligaments, and bones.
The various functions of bones are,
>They help in body movements
>They also help in protecting the internal organs such as brain, heart, etc
>It provides structural shape to the body
>It also acts as the site for RBC origin
Now, you should know that the human skeletal system has two major divisions,
1) Appendicular skeleton
2) Axial skeleton
Both pelvic and pectoral girdle come under the appendicular skeleton.
Note:The pectoral girdle stabilizes the upper limbs on the thorax and allows a range of mobility at the shoulder. Malformations impair these functions and distort the appearance of the upper chest and back. The pelvic girdle transfers upper body weight to the lower limbs by articulating with the spine.
Complete answer:
The human skeletal system is made up of 206 bones and it is made up of cartilage, tendons, ligaments, and bones.
The various functions of bones are,
>They help in body movements
>They also help in protecting the internal organs such as brain, heart, etc
>It provides structural shape to the body
>It also acts as the site for RBC origin
Now, you should know that the human skeletal system has two major divisions,
1) Appendicular skeleton
2) Axial skeleton
Both pelvic and pectoral girdle come under the appendicular skeleton.
Pectoral girdle | Pelvic girdle |
It is also known as shoulder girdle and is found in shoulder on both the sides | It is found in the lower part of the trunk |
It is a set of 4 bones -1. 2 scapula2. 2 clavicle | It is a set of 2 bones -1. Sacrum2. Coccyx |
It is same in both males and females | Women majorly have gynaecoid pelvis and males have android pelvis |
It helps in holding, lifting, etc | It helps in standing, jumping, etc |
|
Note:The pectoral girdle stabilizes the upper limbs on the thorax and allows a range of mobility at the shoulder. Malformations impair these functions and distort the appearance of the upper chest and back. The pelvic girdle transfers upper body weight to the lower limbs by articulating with the spine.
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