SEU Cardiovascular System Questions Nursing Assignment Help

I need help with a Health & Medical question. All explanations and answers will be used to help me learn.

Q) Choose any system of the human body and prepare a response to   the following questions in 1-2 pages:

Introduction(Explain   the system with the components)

Body(Explain   how the system relates to achieve homeostasis in human body)

Conclusion(   Choose any disease common in KSA and explain how and which part of the system   is affected)

Expert Solution Preview

The respiratory system is a vital system in the human body responsible for the exchange of gases, primarily oxygen and carbon dioxide. Comprising several components such as the nose, lungs, bronchi, and trachea, it plays a crucial role in maintaining homeostasis through the process of respiration.

The respiratory system works in coordination with other body systems to achieve and maintain homeostasis in the human body. One of its primary functions is to deliver oxygen to the body’s cells while removing carbon dioxide, a waste product of cellular metabolism. This ensures a proper balance of oxygen for cellular respiration and the elimination of carbon dioxide, a byproduct of metabolic processes.

To achieve this, the respiratory system functions as follows:

1. Breathing: The process of inhalation and exhalation allows for the exchange of gases between the lungs and the external environment. During inhalation, the diaphragm contracts, and the intercostal muscles expand the chest cavity, causing air to enter the respiratory system. Oxygen from the inhaled air enters the bloodstream, while carbon dioxide is expelled during exhalation.

2. Gas exchange: Oxygen is transported from the lungs to the bloodstream via tiny air sacs called alveoli, where it diffuses across their thin walls to bind with hemoglobin in red blood cells. Simultaneously, carbon dioxide, a waste product of cellular respiration, diffuses from the bloodstream into the alveoli to be expelled during exhalation.

3. Regulation of pH: The respiratory system also helps regulate the body’s pH balance by controlling the levels of carbon dioxide in the blood. When carbon dioxide dissolves in the blood, it forms carbonic acid, which can alter the blood’s pH if not properly regulated. The respiratory system adjusts the breathing rate to eliminate excess carbon dioxide or retain it when needed, thereby maintaining the pH within a narrow range conducive to proper bodily functions.

One prevalent respiratory disease in the Kingdom of Saudi Arabia (KSA) is asthma. Asthma affects the bronchial tubes, which are part of the respiratory system. The bronchial tubes become inflamed and narrowed, making it difficult for air to pass through them. This leads to symptoms such as shortness of breath, wheezing, and coughing.

In asthma, the immune system overreacts to certain triggers, causing the inflammation and constriction of the bronchial tubes. This obstructs the normal airflow, making it challenging for the individual to breathe properly. Factors such as allergens, respiratory infections, and certain environmental conditions can trigger asthma attacks.

The affected parts of the respiratory system in asthma are the bronchial tubes, where inflammation occurs. This inflammation narrows the airways, reducing the amount of air that can flow in and out of the lungs. As a result, oxygen delivery to the cells is compromised, affecting overall respiratory function and disrupting the homeostasis of the respiratory system.

In conclusion, the respiratory system is essential for maintaining homeostasis in the human body. However, diseases like asthma can disrupt its normal functioning, leading to imbalances and difficulties in gas exchange. Understanding the components and functions of the respiratory system is crucial for medical students to diagnose and manage respiratory disorders effectively.

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