Healthy Notes

The Respiratory System The respiratory system is a vital network of organs and tissues that work together to facilitate the exchange of oxygen and carbon dioxide between the body and the environment. This system includes the nose, throat (pharynx), voice box (larynx), windpipe (trachea), lungs, and diaphragm. It allows us to breathe in oxygen, which our cells need to produce energy, and exhale carbon dioxide, a waste product of cellular metabolism. Functions of Respiratory Organs 1. Nose and Nasal Cavity Function: The primary entry point for air. It filters, warms, and humidifies the air before it enters the lungs. Nose hairs and mucus trap dust, pollen, and other particles, preventing them from reaching the lungs. 2. Pharynx (Throat) Function: Serves as a passageway for air from the nasal cavity to the larynx. It also plays a role in filtering and warming the air. 3. Larynx (Voice Box) Function: Contains the vocal cords, which vibrate to produce sound. It also acts as a passageway ...

Nervous System Definition The nervous system is a complex network of cells and tissues that coordinates and controls various bodily functions. It is divided into two main parts: Central Nervous System (CNS): This consists of the brain and spinal cord. The CNS processes information and sends out instructions. Peripheral Nervous System (PNS): This includes all the nerves outside the CNS. The PNS connects the CNS to the rest of the body and transmits signals between them. Together, these systems help in regulating everything from sensory perception to motor control, allowing the body to respond to internal and external stimuli efficiently. Structure of Neurologia & Neurons Neurons Neurons are the fundamental units of the brain and nervous system, responsible for receiving sensory input, processing information, and sending motor commands. They consist of three main parts: Cell Body (Soma): Contains the nucleus and cytoplasm. Responsible for maintaining the cell and processing informa...

  Female Pelvis General Description of Bone s The female pelvis is a crucial part of the human anatomy, particularly for its role in childbirth and providing support and stability to the upper body. 1.     Ilium : ·          Ala (Wing) : The broad, curved part providing large surfaces for muscle attachment. ·          Iliac Crest : The upper, curved edge of the ilium, which forms the prominent hip bone. ·          Anterior Superior Iliac Spine (ASIS) : A forward projection providing attachment for ligaments and muscles. ·          Posterior Superior Iliac Spine (PSIS) : The rear projection. 2.     Ischium : ·          Ischial Tuberosity : The lower, roughened area which supports body weight when sitting. ·      ...