Class 11 · Locomotion and Movement

Skull Bones and Ear Ossicles — NEET Biology

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Cranial bones are 8 in number. They form the hard protective outer covering, cranium for the brain. The facial region is made up of 14 skeletal elements which form the front part of the skull. A single U-shaped bone called hyoid is present at the base of the buccal cavity. Each middle ear contains three tiny bones – Malleus, Incus and Stapes, collectively called Ear Ossicles. The skull region articulates with the superior region of the

NCERT Biology · Class 11 · Chapter 17 · Paragraph 22
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Match the following skeletal parts/regions with their correct characteristics or numbers: Column I: Skeletal Part / Region A. Cranial bones B. Thoracic vertebrae C. Floating ribs D. Cervical vertebrae E. True ribs Column II: Characteristic / Number i. Dorsally connected to thoracic vertebrae, ventrally to sternum with hyaline cartilage ii. 8 in number, form the protective covering for the brain iii. 12 units, providing dorsal attachment for ribs iv. 11th and 12th pairs, not connected ventrally v. 7 in number, found in the neck region Which of the following options correctly matches Column I with Column II?

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