Systems c2
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The document discusses the composition of air and the human respiratory system. Air is made up mostly of nitrogen and oxygen, with smaller amounts of carbon dioxide, water vapor and other gases. The human respiratory system includes the lungs, windpipe, and diaphragm. The lungs take in oxygen and release carbon dioxide as they breathe. Other organisms like fish, plants and mammals also exchange gases to breathe and photosynthesize or respire.
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The document discusses the respiratory systems of various organisms. It describes how fish breathe through gills, with water passing over the gill filaments where gas exchange occurs. Amphibians may breathe through gills, lungs, or skin depending on their life stage, with tadpoles using external gills and adult frogs using lungs. The lungs of amphibians are relatively simple sacs that undergo positive pressure breathing by changing the mouth's volume and pressure.
Respiration in Organism
Respiration is the process by which organisms produce energy from food through cellular respiration. It occurs in the mitochondria of cells and requires oxygen. There are two types of respiration: aerobic respiration, which uses oxygen and produces carbon dioxide and water, and anaerobic respiration, which occurs without oxygen and produces substances like alcohol or lactic acid. Breathing is the process of inhaling and exhaling air for respiration through organs like lungs, gills, or skin depending on the organism. The rate of breathing increases with physical activity and decreases at rest.
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RESPIRATION IN ORGANISMS-3 BREATHING IN OTHER ORGANISMS CLASS-VII CBSE CHAPTER-7
Respiration in cockroach
Cockroach is a terrestrial organism found in damp areas.
A cockroach has small openings on the side of its body.
These openings are called spiracles. Insects have a network of air tubes called tracheae for gas exchange.
Respirationnew
The document discusses cellular respiration, which is how cells break down sugars to obtain energy. It defines aerobic cellular respiration as the reaction of glucose and oxygen producing carbon dioxide, water, and ATP energy. Anaerobic respiration is discussed as respiration that occurs without oxygen, producing alcohol instead of water. Different organisms are described as using respiration, gills, lungs, skin, spiracles or stomata for gas exchange depending on whether they are human, fish, earthworm, insect, or plant.
Comparative anatomy respiratory system
The document summarizes respiratory systems in animals. It describes how invertebrates like jellyfish respire through diffusion, while others use gills or tracheal tubes. Vertebrates either use gills for aquatic respiration with water flowing over them, or lungs for terrestrial animals. Lung structure varies between groups, with mammals having the most surface area for gas exchange. The human respiratory system uses the nose, mouth, lungs and alveoli to oxygenate blood and remove carbon dioxide.
Chapter 15-Air around us
Air is a mixture of gases that surrounds Earth. It is composed primarily of nitrogen (79%) and oxygen (21%), with trace amounts of other gases like carbon dioxide. All living things require air for respiration and oxygen is essential for cellular respiration. Plants also use carbon dioxide for photosynthesis and release oxygen into the air, maintaining a balance. While invisible, the presence of air can be felt through moving leaves or branches and seen through air bubbles in boiling water.
RESPIRATION.pptx
Students will able to clear their concepts easily. pictures are added from different places to enhance the learning procedure. based on ncert mainly. will help teachers too to use it as an teaching aid in classrooms. it will surely make learning easy and helpful.
Comparative Anatomy of Respiratory System of Vertebrates
The document discusses the comparative anatomy of the respiratory systems of various vertebrates. It describes how respiration occurs through the skin, gills, lungs, and gas bladders in different organisms. It explains key differences in respiratory structures between cartilaginous fishes, bony fishes, and jawless fishes. Mechanisms of gas exchange are covered for fishes, as well as respiratory organs and processes for amphibians, reptiles, birds, and mammals.
comparative anatomy of respiratory system.pdf
The document discusses the comparative anatomy of the respiratory systems of various vertebrates. It describes how respiration occurs through the skin, gills, lungs, and gas bladders in different organisms. It explains key differences in respiratory structures between cartilaginous fishes, bony fishes, and jawless fishes. Mechanisms of gas exchange are also covered for fishes, as well as respiratory organs and processes for amphibians, reptiles, birds, and mammals.
Respiration life processes
Respiration is the process by which organisms obtain energy from food through biochemical oxidation. In plants and animals, respiration occurs through the exchange of gases between organisms and their environments. In humans and other animals, respiration occurs through inhalation of oxygen into the lungs and exhalation of carbon dioxide. The respiratory system involves the nose, pharynx, larynx, trachea, bronchi, bronchioles and alveoli where gas exchange occurs.
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Comparative Anatomy of Respiratory System of Vertebrates
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Systems c2
- 1. Air and the human respiratory system © 2009 Marshall Cavendish International (Singapore) Private Limited
- 2. Questions to think about… What is air made up of? What are the organs of the human respiratory system, and what are their functions? How do fish, mammals and plants take in oxygen and give out carbon dioxide? © 2009 Marshall Cavendish International (Singapore) Private Limited
- 4. All mixed up! oxygen carbon dioxide, water vapour and other gases nitrogen © 2009 Marshall Cavendish International (Singapore) Private Limited
- 26. The end © 2009 Marshall Cavendish International (Singapore) Private Limited