Table of contents

1. Introduction to Anatomy & Physiology5h 43m
2. Cell Chemistry & Cell Components12h 36m
3. Energy & Cell Processes10h 6m
4. Tissues & Histology10h 3m
5. Integumentary System2h 20m
6. Bones & Skeletal Tissue2h 16m
7. The Skeletal System2h 35m
8. Joints2h 17m
9. Muscle Tissue2h 33m
10. Muscles1h 11m
11. Nervous Tissue and Nervous System1h 35m
12. The Central Nervous System1h 6m
- Introduction to the Central Nervous System
  18m
- The Cerebrum
  48m
13. The Peripheral Nervous System1h 26m
14. The Autonomic Nervous System1h 38m
15. The Special Senses2h 41m
16. The Endocrine System2h 48m
17. The Blood3h 22m
18. The Heart3h 42m
19. The Blood Vessels3h 35m
20. The Lymphatic System3h 16m
21. The Immune System14h 37m
22. The Respiratory System3h 20m
23. The Digestive System2h 5m
24. Metabolism and Nutrition4h 0m
25. The Urinary System2h 39m
26. Fluid and Electrolyte Balance, Acid Base Balance37m
27. The Reproductive System2h 5m
28. Human Development1h 21m
29. Heredity3h 32m

7. The Skeletal System

The Skull

Anatomy & Physiology

7. The Skeletal System

The Skull

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3:11 minutes

Problem 11

Textbook Question

Which eight bones make up the cranium?

Verified step by step guidance

Step 1: Understand that the cranium is the part of the skull that encloses and protects the brain. It is composed of eight bones that are fused together.

Step 2: Learn the names of the eight cranial bones. These include: the frontal bone, two parietal bones, two temporal bones, the occipital bone, the sphenoid bone, and the ethmoid bone.

Step 3: Recognize the locations of these bones: the frontal bone forms the forehead, the parietal bones are located on the sides and roof of the skull, the temporal bones are on the lower sides near the ears, the occipital bone is at the back of the skull, the sphenoid bone is located at the base of the skull, and the ethmoid bone is situated between the eyes.

Step 4: Note that these bones are connected by immovable joints called sutures, which help provide structural integrity to the cranium.

Step 5: Review diagrams or models of the skull to visually identify and understand the placement of each cranial bone for better comprehension.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Cranial Bones

The cranium is composed of eight bones that protect the brain and support the structures of the face. These bones include the frontal, parietal (two), temporal (two), occipital, sphenoid, and ethmoid bones. Each bone plays a specific role in forming the cranial cavity and providing attachment points for muscles and ligaments.

Anatomical Position

Understanding the anatomical position is crucial for identifying the location and orientation of the cranial bones. In this standard position, the body is upright, facing forward, with arms at the sides and palms facing forward. This perspective helps in accurately describing the relationships between the cranial bones and other structures in the skull.

Function of the Cranium

The primary function of the cranium is to encase and protect the brain from injury. Additionally, it provides a structure for the face and supports sensory organs such as the eyes and ears. The cranium also plays a role in the attachment of muscles that facilitate head movement and facial expressions.