NURSE EDUCATION

            VERTIBRAL COLUMN The vertebral column, also known as the spine, is a series of 33 individual vertebrae that extend from the skull to the pelvis. The vertebral column is divided into five regions: cervical, thoracic, lumbar, sacral, and coccygeal. Each region has a unique shape and function. The cervical region, located in the neck, consists of seven vertebrae that support the weight of the head and allow for movement. The thoracic region, located in the upper back, consists of 12 vertebrae that attach to the ribs and protect the heart and lungs. The lumbar region, located in the lower back, consists of five vertebrae that support the weight of the upper body and allow for movement. The sacral region, located in the pelvis, consists of five fused vertebrae that support the weight of the upper body and connect to the hip bones. The coccygeal region, located at the base of the spine, consists of four fused vertebrae that provide support for the pel...

                             BLOOD Blood is a vital fluid that circulates throughout the human body, delivering oxygen and nutrients to cells while also removing waste products. It is composed of several different components, including red blood cells, white blood cells, platelets, and plasma. Red blood cells, also known as erythrocytes, carry oxygen from the lungs to the body's tissues. White blood cells, or leukocytes, are part of the body's immune system and help fight off infections and diseases. Platelets are responsible for blood clotting, which is important to stop bleeding after an injury. Plasma, the liquid component of blood, is mostly made up of water and contains proteins, hormones, and other substances that are important for various bodily functions. Blood is constantly being produced and replenished in the body, and it plays a crucial role in maintaining overall health and wellbeing.     ...

                          BLOOD   Read a brief summary of this topic Travel with the red blood cell as it transports oxygen and carbon dioxide through the heart, lungs, and body tissues Travel with the red blood cell as it transports oxygen and carbon dioxide through the heart, lungs, and body tissuesSee all videos for this article blood, fluid that transports oxygen and nutrients to the cells and carries away carbon dioxide and other waste products. Technically, blood is a transport liquid pumped by the heart (or an equivalent structure) to all parts of the body, after which it is returned to the heart to repeat the process. Blood is both a tissue and a fluid. It is a tissue because it is a collection of similar specialized cells that serve particular functions. These cells are suspended in a liquid matrix (plasma), which makes the blood a fluid. If blood flow ceases, death will occur within minutes because of the ef...

The muscular system is responsible for movement and support of the body. It is made up of over 600 muscles, which are attached to bones by tendons. There are three main types of muscles in the human body: skeletal, smooth, and cardiac. Skeletal muscles are attached to bones and are responsible for voluntary movement, such as walking or lifting weights. Smooth muscles are found in the walls of internal organs and blood vessels, and they are responsible for involuntary movements, such as digestion or blood pressure regulation. Cardiac muscle is found only in the heart and is responsible for pumping blood throughout the body. The muscular system also plays a role in maintaining posture, generating heat, and protecting internal organs.

                 SKELETAL SYSTEM The skeletal system is the framework of bones and cartilage that supports and protects the body's internal organs and soft tissues. It also provides attachment points for muscles and helps to facilitate movement. The skeletal system is made up of over 200 bones, which are divided into two main categories: the axial skeleton and the appendicular skeleton. The axial skeleton includes the skull, spine, and ribcage, while the appendicular skeleton includes the bones of the limbs and the girdles that attach them to the axial skeleton. The skeletal system also plays a key role in the production of blood cells, and it helps to regulate levels of calcium and other minerals in the body.