A system is a group of organs that work together and provide an organism with an advantage for survival. It is the most complex organization in your body and the final level of the progression from cells to tissues to organs and then systems. Systems work alone and with other systems to allow your body to maintain homeostasis. Homeostasis is a stable internal environment that allows you (and your cells) to survive. While every one of your systems is needed to survive‚ your nervous system is the
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D1: Analyse how two body systems interrelate to perform a named function/functions D1: Analyse how two body systems interrelate to perform a named function/functions Even though the systems may seem very separate in their activities the digestive system and respiratory system both contribute to work together. The systems cannot work by themselves as they both provide the materials needed throughout the body. They supply energy to all the cells throughout the body. The respiratory system and digestive
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Animals do not have cell walls‚ but do generally are multicellular‚ reproduce sexually and have gap junctions. Animals are ingesting heterotrophs; fungi have absorptive nutrition. Development order: fertilization‚ cleavages‚ blastula‚ gastrula and metamorphosis. Ancestor of animals: protozoa (choanoflagelate) Know Animal Taxonomy including Lophotrocozoa!!!! Only animals have hox genes Sponge=perifera=parazoa=lacks true tissue Eumetazoa=everything besides sponge Cephalization=sensory organs
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of body cavity coelomate: pericardial cavity Body organs make up the visceral mass and are protected by the mantle which secretes the shell. They have an open circulatory system Clams shells are thick while mussels are usually thin. Mussels live attached to something while clams live in the sand. Clams live alone‚ while mussels are usually in large groups. The oldest part of a clam’s shell is called the umbo and is located at the hinge of the clam. The rings on a clam’s shell indicated how old
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and Urinary Systems The digestive system and the urinary system are two very important systems for the human body. The digestive system helps use break down food to help nourish our bodies and give us energy. The urinary system helps are body gets rid of any waste produces that our body and digestive system doesn’t use. This paper will explain these two systems and how they work. The digestive system consists of seven parts in digesting food. The first part in digestive system starts in your
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The cardiovascular system is made up of the heart and blood vessels‚ which are divided into arteries‚ veins and capillaries. The blood delivers nutrients and oxygen to the cells in the body. The arteries carry blood away from the heart and the veins carry it back to the heart. Capillaries are found in the muscles and the lungs‚ they have valves to stop the blood flowing backwards and this is also where gaseous exchange takes place. The heart works as a pump that pushes blood to the organs‚ tissues
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Harvey Perry How important is the character of Eric in the play? In the play of An Inspector Calls‚ Eric’s character is very important. His sympathy and emotions are greater than any of the other characters but Sheila. Eric and Sheila did still contribute to Eva’s death but they do have the “younger generation” of thinking. At the start of the play‚ during Arthur Birling’s big speech about the future‚ Eric buts in with‚ ‘but what about war?’. Eric tries to bring attention back to the ‘war’ of
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of the earth’s atmosphere due to air pollution‚ the immediate and direct harm caused to the human body is often over shadowed. While many are aware that our careless use of hazardous chemicals and fossil fuels may leave the planet uninhabitable in the future‚ most over look the fact that they also cause real damage to our bodies at this moment. Such pollutants cause damage to our respiratory system‚ leading to the fluctuation of the life span of an individual depending on a number of conditions.
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Relationship Between Satellites and GPS and How they Work Together: Martin Hong Abbey Park High School RELATIONSHIP BETWEEN SATELLITES AND GPS The GPS System When it comes to traveling‚ a GPS (Global Positioning System) is a very useful tool to have for saving a good deal of time and gas. However to understand how they work‚ we have to look at the satellites that are constantly orbiting around our planet in order to let the GPS do its job. Those satellites play a very crucial
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How does visualization and confidence work together? Well‚ in order to become confident you need to learn to see yourself in a different light; you need to change from thinking negatively about yourself to feeling your own confidence. One of the best and most efficient ways to change how you see yourself is through visualization. Visualization and confidence go hand in hand because visualization is all about "seeing" something in your mind. You can use visualization to see a different you that feels
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