The Trachea continues to divide inside the lungs forming narrower tubes called the Bronchioles. In each end of these Bronchioles are groups of alveoli (air sacs). It is in the Alveoli where gas exchange actually occurs. Oxygen can either enter through the nose or in the mouth. When we inhale, the oxygen enters through our nose or mouth then it gathers it in the Pharynx (throat) then it is passed down in the trachea then it flows down your bronchioles and finally down the alveoli.
Energy is gained from food via Respiration. The process of Respiration is mostly aerobic, a chemical reaction where by glucose made from carbohydrates obtained from food passes though the digestive system into the blood and is converted into carbon dioxide and water. These are then breathed out during exhalation. This is one of the ways that living things Excrete. The last attribute that is common to all living things is sense.
The air which we breathe in which is kept in the lungs, is the transferred into blood. The blood then goes around the heart, which then pumps oxygenated blood from lungs back into the body. The 2 systems also work together in order to get rid of carbon dioxide which is there as a metabolic waste product. D1
Respiration is a process through which energy is released from glucose or another organic chemicals. As such, it is significant for the survival of all living organisms, whether animals or plants or microscopic bacteria. It serves two fundamental purposes in living organisms: first is the removal of the electrons generated during catabolism and second, is generation of ATP (adenosine triphosphate). Respiration occurs in two different ways, namely, aerobic and anaerobic. Aerobic respiration is oxygen-based cellular respiration that uses oxygen to generate energies through the breakdown of carbohydrates, fats, and proteins.
INTRODUCTION Respiration is the sequence that results in the exchange of oxygen and carbon dioxide between the air and the bodys cells. Nerve impulses stimulate the breathing process which moves air through a series of passages in and out of the lungs. Then external respiration takes places this is where an exchange of gases between the lungs and blood take place. Then internal respiration is where the gases exchange between the blood and tissue cells. Then the final step of respiration occurs, this is where the cells utilise the oxygen for what the body requires them to do, this is known as cellular respiration.
The human respiratory system is composed of the nasal passage, the pharynx, larynx, the trachea, bronchi and lungs. It is responsible for the process of respiration that is vital to the survival of living beings. Respiration is the process of obtaining and using oxygen, while eliminating carbon dioxide. It is the process by which human beings take in the oxygen from their environment and give out the carbon dioxide that is produced as a result of chemical reactions within the cells. The specialized system that brings about this critical process of respiration in human beings is known as the human respiratory system.
Conducting portion of the human respiratory system consists of; Traches, Bronchi, Bronchioles, Alveolar sacs and Alveoli. Functions of Respiratory System: Gaseous exchange The Main function of respiratory system is gaseous exchange. Through respiratory system new air is always brought into the body and used air is expelled out. In this way oxygen is gained and carbon dioxide is lost by the body. Excretion of carbon dioxide The Respiratory system is the major system for excretion of carbon dioxide from the body.
Breathing gives us the ability to inhale oxygen and exhale carbon dioxide. Getting oxygen to the blood depends on this exchange of gases in the respiratory system. The process starts in the Nasal Passages by air entering from the nostrils leading to the nasal passages. Located behind the nose is the nasal cavity, comprises the nasal passages that play an important part in the respiratory system. The nasal cavity is responsible for conditioning the air that is received by the nose.
Circulatory System is the combined function of the heart, blood, and blood vessels to transport oxygen and nutrients to organs and tissues throughout the body and carry away waste products. The circulatory system increases the flow of blood to meet increased energy demands during exercise and regulates body temperature. Also, when foreign substances or organisms invade the body, the circulatory system quickly sends disease-fighting elements of the immune system, such as white blood cells and antibodies, to places under attack. In the case of injury or bleeding, the circulatory system sends clotting cells and proteins to the affected site, which quickly stop bleeding and promote healing. The circulatory system plays an important role in controlling body temperature.