Human Skeletal System

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The human skeletal system is the framework of bones and cartilage that supports and protects the body’s organs, provides structure, and allows for movement. It serves as a foundational component of the body, playing critical roles in not only supporting the body but also in facilitating movement, producing blood cells, and storing essential minerals.

The skeletal system is composed of 206 bones in adults and can be divided into two major sections:

  1. Axial Skeleton: This part includes the bones that form the long axis of the body, such as the skull, vertebral column, and rib cage. It serves to protect the brain, spinal cord, and vital organs like the heart and lungs.Appendicular Skeleton: This consists of the bones of the limbs and the girdles (shoulder girdle and pelvic girdle) that attach the limbs to the axial skeleton. It facilitates movement and provides a range of motion for activities like walking, lifting, and more.

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Course Content

Learn General Anatomy in Simple Way with Dr.Ashwani Kumar | Skeletal System-1
The human skeletal system is a vital structure that provides support, protection, movement, and serves several other essential functions for the body. It is composed of bones, cartilage, ligaments, and tendons, forming a complex framework that not only supports the body but also facilitates movement and protects the internal organs.

  • Learn General Anatomy in Simple Way with Dr.Ashwani Kumar | Skeletal System-1
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Human Skeletal System Part 2
In the first part of our exploration of the human skeletal system, we covered the basics of bones, their structure, and their role in the body. Now, in Part 2, we will dive deeper into the different types of bones, the joints that connect them, and the functions they serve in our daily lives. From protecting vital organs to enabling movement, the skeletal system is not just a rigid framework but a dynamic, living structure that plays a vital role in supporting the body's overall function.

Upper Limb Anatomy, Human Anatomy
Certainly! Let's dive into the detailed anatomy of the upper limb in human anatomy. The upper limb is a highly specialized and versatile part of the body, designed for a wide range of movements and functions. It consists of the arm, forearm, and hand, and is structured to provide support, mobility, and dexterity.

Muscular Anatomy, Human Anatomy STERNOCLEIDOMASTOID MUSCLE
The sternocleidomastoid muscle (SCM) is a prominent muscle in the neck that plays a significant role in head movement and neck stabilization. Let’s explore the sternocleidomastoid in detail, covering its anatomy, function, and clinical significance.

Muscular Anatomy, Human Anatomy, ROTATOR CUFF
The rotator cuff is a critical group of muscles and their associated tendons that provide stability and mobility to the shoulder joint. The shoulder is one of the most mobile joints in the body, and the rotator cuff plays a vital role in allowing for a wide range of movement while ensuring the joint remains stable during those movements.

Muscular Anatomy, Human Anatomy POSTERIOR TRIANGLE OF NECK 2
The posterior triangle of the neck is a significant anatomical region located on the lateral (side) part of the neck. It contains important structures such as muscles, nerves, blood vessels, and lymph nodes. This area is relevant in clinical practices, especially during surgeries or when diagnosing conditions related to the neck, head, and upper limbs.

Head & Neck-1 – Artery
The head and neck are supplied with blood by a complex network of arteries that provide oxygenated blood to the brain, face, neck, and other structures. These arteries arise from the brachiocephalic trunk, aortic arch, and carotid arteries.

Head & Neck-2 – Artery, Human Anatomy
The head and neck are supplied by a complex network of arteries that carry oxygenated blood to various structures like the brain, face, neck, and upper limbs. In addition to the primary arteries already discussed in Part 1 (e.g., common carotid artery, vertebral artery, and subclavian artery), there are additional significant arteries and their branches in the head and neck region.

Cranial Nerve nuclei and Columns, Human Anatomy
The cranial nerves are essential components of the peripheral nervous system that emerge directly from the brain, specifically from the brainstem. These nerves innervate structures of the head and neck, as well as some organs, providing sensory, motor, and parasympathetic functions.

Neuroanatomy Brain & Spinal Cord 5 Ascending Tracts, Human Anatomy
The ascending tracts of the brain and spinal cord are pathways that carry sensory information from the peripheral nervous system to the brain. These tracts allow the body to process information regarding touch, pain, temperature, proprioception, and visceral sensations, among others.

Neuroanatomy Brain & Spinal Cord 1 Derivatives Of Brain Vesicles, Human Anatomy
The development of the brain and spinal cord from the neural tube is a highly organized and intricate process. During early development, the neural tube forms from the ectoderm and eventually gives rise to the entire central nervous system (CNS), including the brain and spinal cord.

Neural Tube, Human Anatomy
The neural tube is a critical structure in the early development of the central nervous system (CNS), which includes the brain and spinal cord. The formation and closure of the neural tube are essential for the proper development of the nervous system, and any defects in this process can lead to serious congenital anomalies.

Cardiovascular System, Human Anatomy
The cardiovascular system, also known as the circulatory system, is a complex network responsible for the transport of blood, nutrients, gases, and waste products throughout the body. It is essential for maintaining homeostasis, ensuring that tissues and organs receive the nutrients and oxygen they need to function properly, while also removing waste products.

Respiratory System, Part 1, Human Anatomy
The respiratory system is responsible for the intake of oxygen (O₂) and the expulsion of carbon dioxide (CO₂), facilitating gas exchange at both the lungs and cellular levels. It is vital for maintaining the body's homeostasis and supports the function of various physiological processes.

Respiratory System, Part 2, Human Anatomy
In Part 1 of the respiratory system, we covered the upper and lower respiratory tracts, including structures such as the nose, pharynx, larynx, trachea, and bronchi, and their roles in the conduction of air to the lungs. We also discussed the process of breathing and gas exchange in the alveoli.

Digestive System, Human Anatomy
The digestive system is responsible for the mechanical and chemical breakdown of food into nutrients that the body can absorb and use for energy, growth, and repair. It also plays a key role in eliminating waste products from the body. The digestive system involves a series of organs, enzymes, and hormones working together to ensure that food is processed efficiently.

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