The Respiratory System (with animations)
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Oxygen enters the body through breathing and travels down the trachea into the lungs. In the lungs, oxygen passes through tiny air sacs called alveoli and into the bloodstream. The oxygenated blood is then pumped by the heart to tissues throughout the body, where the oxygen is used for respiration and energy production. Carbon dioxide produced in tissues returns to the lungs via the bloodstream to be exhaled.
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The circulatory system delivers oxygen and nutrients to cells through the continuous pumping of the heart. The heart has four chambers and pumps blood through arteries and veins. Arteries carry oxygen-rich blood from the heart while veins return oxygen-poor blood back to the heart. Capillaries connect arteries and veins and allow for the exchange of oxygen and carbon dioxide between blood and cells. The lungs replenish the blood with oxygen and remove carbon dioxide through respiration before the blood returns to the heart again.
The respiratory system
The respiratory system allows us to breathe in oxygen and breathe out carbon dioxide. When we inhale, air travels through the nose and mouth into the trachea and bronchi, where it reaches tiny air sacks called alveoli in the lungs. The alveoli contain capillaries that facilitate gas exchange - oxygen passes from the alveoli into the bloodstream, and carbon dioxide passes from the bloodstream into the alveoli. When we exhale, the diaphragm and ribs relax, pushing air out through the same pathways and expelling carbon dioxide out of the body.
Strategic Intervention Material (SIM) Science-CIRCULATORY AND RESPIRATORY SYSTEM
Strategic Intervention Material (SIM) Science-CIRCULATORY AND RESPIRATORY SYSTEMSophia Marie Verdeflor
The document provides information about the circulatory system. It explains that the circulatory system is responsible for transporting nutrients, water, oxygen, and waste throughout the body using the heart, blood vessels, and blood. The heart pumps blood through a network of arteries, veins, and capillaries. Arteries carry oxygenated blood away from the heart while veins carry deoxygenated blood back to the heart. Capillaries allow for the exchange of gases, water, and nutrients between blood and body tissues. The document also describes the components and functions of the heart and blood in more detail.RESPIRATORY SYSTEM IN HUMANS
The human respiratory system is a series of organs responsible for taking in oxygen and expelling carbon dioxide. The primary organs of the respiratory system are the lungs, which carry out this exchange of gases as we breathe.
In humans, the average breathing, or respiratory rate, mostly depends on age. A newborn's normal breathing rate is about 40 to 60 times each minute and may slow to 30 to 40 times per minute when the baby is sleeping. The average resting respiratory rate for adults is 12 to 16 breaths per minute, and up to 40 to 60 breaths per minute during exercise.
Circulatory & respiratory systems
The circulatory system transports oxygen, nutrients, hormones, and other gases throughout the body via blood flowing through arteries and veins. The cardiovascular system, consisting of the heart and blood vessels, circulates blood which exchanges gases and nutrients with body tissues through capillaries. The respiratory system works with the circulatory system to oxygenate blood and remove carbon dioxide through breathing and gas exchange in the lungs.
Respiratory system
The document summarizes the key structures and functions of the respiratory system. It discusses how air passes through the nasal cavity, pharynx, larynx, trachea, bronchi and bronchioles to reach the alveoli in the lungs. The alveoli are where oxygen and carbon dioxide are exchanged between the air and blood through diffusion. Oxygen is then transported to cells by blood for cellular respiration to produce energy, while carbon dioxide is carried back to the lungs to be exhaled. Breathing is controlled by the diaphragm and rib muscles to inhale and exhale air, regulated by the medulla oblongata in response to carbon dioxide levels.
(Human Physiology) Respiratory System.docx
This system will tell you about human respiration and their disorders related with it.
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The Respiratory System (with animations)
- 1. The path of an oxygen as it enters your mouth, travels to your lungs and through the bloodstream to the body cells for respiration By Katherine Martin
- 2. Entering the body = air
- 3. Entering the body Every day we breathe in a mixture of gases called air, which includes oxygen (21%) and carbon dioxide (0.04%). Every time we breathe we inhale oxygen and remove carbon dioxide from our body. We need oxygen so we can break down the food we eat to absorb and use the energy, this is a chemical reaction called respiration.
- 4. Entering the body Trachea Mouth Bronchi Lungs = air
- 5. Entering the body When we breathe, the air travels down our trachea (also known as the windpipe) to the lungs.
- 6. Inside the Lungs Trachea Alveoli Bronchi Bronchioles = air Lungs
- 7. Inside the lungs At the end of trachea it divides into 2 smaller tubes called bronchi. The air then travels to even smaller tubes called bronchioles, and then to air sacs called alveoli.
- 8. Entering the Bloodstream Alveoli Sacs Pulmonary Artery Alveoli Bronchiole Pulmonary Vein = air
- 9. Entering the Bloodstream = capillary = blood cell = alveoli = air
- 10. Entering the Bloodstream As we breathe the alveoli are filled with air which stretches them, making them very thin. This is when oxygen can pass through the lung tissue into the bloodstream (capillaries). Once in the blood stream the oxygen locks onto the blood cells making it oxygenated (turning red).
- 11. Through the Heart Left Atrium To the Body To the Lungs To the Lungs From the Lungs From the Lungs Left Ventricle Right Atrium Valve Vena Cava Right Ventricle = blood cell
- 12. Entering the body Then the blood cells travel through the bloodstream to the left side of the heart and then is pumped to the rest of the body.
- 13. Through the body Tissue Bloodstream (Capillary) = oxygen = carbon dioxide
- 14. Entering the body Once the blood cells reach the part of body needed, the oxygen unlocks from the blood cells making it deoxygenated (turning blue); and passes through the bloodstream to the body part need to cause the chemical reaction to use the energy from food. As they oxygen does this carbon dioxide enters the blood stream and takes the opposite journey to be breathed out.
- 15. Bibliography