Question:

Glenoid cavity is found in

Updated On: Jun 18, 2022
  • pelvic girdle
  • pectoral girdle
  • sternum
  • humerus
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The Correct Option is B

Solution and Explanation

Organ of Corti is the hearing organ. Cochlea is a spirally coiled tube ($2-3$ coiling) which is connected to sacculus by a short duct. Pectoral girdle or shoulder girdle is composed of two halves. Each half consists of the scapula/shoulder bone and clavicle/collar bone. At the junction of scapula and clavicle, is a concave depression, the glenoid cavity which articulates with the head of the humerus to form a ball and socket joint. Pelvic girdle or hip girdle has a depression called the acetabulum. Sternum is breast bone, present just under the skin in the middle front pan. Humerus is the bone of fore limb.
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Concepts Used:

Locomotion and Movement

Locomotion

The movement of a creature from one place to another is known as locomotion. During the process, there is the action of appendages such as wings, limbs, and flagella. In some animals, like fish, whales, and sharks, locomotion upshots from a wave-like series of muscle contractions. Locomotion helps an organism in finding their food, avoid harsh weather conditions, escape from their predators, etc.

Some examples of locomotion are walking, running, swimming, etc. Movement, on the other hand, refers to any type of motion that need not be localized.

Read More: Locomotion and Movement

Movement 

Movement is generally described as a state of changing the position from rest to motion or vice-versa. Movement can be both voluntary movement and involuntary movement. Movement helps an organism perform essential functions, such as pumping blood to the different parts of the body, etc.

Read More: Difference between Locomotion and Movement