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Tell me about respiratory system
Respiratory system and its regulation
Respiratory system and its regulation
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Riversleigh Fossil Site, Australia Geological History Riversleigh covers an area of approximately 80 square kilometres and is located 250 km north-west of Mt Isa. Riversleigh is Australia’s most famous fossil site and fossils were first discovered in the area in 1901. The fossils document the evolution and changes of Australia's terrestrial fauna and ecosystems.
Some crustaceans have discovered land but they are mainly aquatic arthropods. Crustacean’s use their gills for respiration. Gills are crustacean’s respiratory organs, as the water flows over the gills they oxygen is absorbed from the water (Edney, 1968). Due to the process of respiration with the
Their suctions help them survive extreme changes in environment like crashing waves or tidal waves. Their digestive system allows them to eat many different types of prey or smaller animals. The ambulacral grooves help to open shells enabling sea stars to digest
Yet, this only means that they have developed through evolution to ward off parasites, reproduce, and find food in ways unique from the organisms in the animal
The adaptive features of animals: i. Adaptation to live in the habitat lack of oxygen A. Crayfish: Crayfish lives in fresh water stream, which is an aquatic environment. The oxygen level in fresh water upper stream is higher than the lower stream, but the oxygen concentration is still low. The gills of crayfish are much bigger than the size at first glance. They occupied under the cephalothorax carapace in branched-shape and provided a large surface area to volume ratio to carry out gas exchange. Fresh water will be pulled into the cavity by the movement of the “gill bailers”.
Because there is much less oxygen in water than there is in air, anglerfish have adaptations to enable them to survive and create ATP energy with oxygen efficiently. Anglerfish (and all fish) have developed gills that carry out gas exchange in the water. The anglerfish takes in water through its mouth
Vertebrates are known to be animals with backbones. Tooth reduction is one of the major evolutionary trends that developed among major vertebrate groups that allowed for the transition from aquatic to terrestrial life. Evolution of limbs and being able to breath air are other evolutionary trends that took placeThese trends include improved respiration and protective and insulating body coverings. More over the transition from water to land also included changing to more efficient reproductive methods like having a placenta for some animals or egg layers for other animals. Lastly, the morphology of organisms evolved such that for land they would have paired, muscular appendages used for crawling and
5) List the functional characteristics necessary to maintain life in humans. - Maintain boundaries, move, respond to environmental changes, take in and digest nutrients, carry out metabolism, dispose of wastes, reproduce themselves, and grow. 6) List the survival needs of the body. - Nutrients, oxygen, water, and appropriate temperature and atmospheric pressure. 7)
Physiology of Exercise of Competitive Cross-Country Skiing Name Institution Physiology of exercise of Competitive cross-country skiing Recovery mechanism Competitive cross-country skiing is a strenuous endurance sport in which efficiency and energy delivery are deemed very important to achieve a high performance. Recently, shorter sprint competitions have been adopted; skiers are subjected to time-trial qualification race with three knockout heats. The heats take approximately 3-4 minutes and 20 minutes between the heats.
The human body is formed of all completely different body parts that are essential to our living. Taking care of those organs is important to maintaining our health. One among our most significant organs is the lungs, which facilitate the flow of oxygen from the air and create blood cells within the body. Keeping the lungs healthy is important to keep blood cells healthy. There are several things that keep people in United States from having healthy lungs, like deadly fumes, gar smoke, and also the commonest, cigarette smoke.
This meant the mammoths could still deliver oxygen to their cells even when their extremities became cold (Nicholls
When Breath Becomes Air is a poignant memoir by Paul Kalanithi that explores the meaning of life, death, and the human condition that lies between. After years of studying to be a neurosurgeon, Paul Kalanithi, a young man in his mid-thirties, is suddenly diagnosed with terminal lung cancer. Grappling with questions of what truly makes life worth living, Kalanithi uses the novel to detail his questions on purpose and meaning while facing his own mortality. Throughout his book, the author explores various themes and ideas on a myriad of topics as he watches his life pass before him. Thus, Kalanithi’s expressions of the emotional tax on doctors, loss of identity in tragedy, and power of compassion and empathy, both in medicine and life, offer
Moreover, the tranquility created by water allows for the characters to relax safely and enjoy themselves. Not only is water essential to survive, but to these characters, water is essential
Hello in this paper Im going to define, discuss Political Economy in Ancient Greece. Politcal Economy is the earlier name for economics , the Ancient Greeks came up with the name but in the late 19th Century economists decided economics is a better shorter name. The economy in Ancient Greeks were based on Agriculture,Crafts, Trade, Taxation and Currency . Agriculture was imporant to the Ancient Greeks because it employed up to 80% of the Greek population. Agriculture consisted of olive trees, grapevines, herbs, vegetables, and oil producing plants .
Water provides the Earth with the capacity of supporting life. Importance of water in humans In humans, water acts both as a solvent and a delivery mechanism, it dissolves essential vitamins and nutrients from food and delivers them to cells. Our bodies