Conclusion: (Identity‚ % error‚ other evidence‚ how to improve) The identity of Unknown A is the compound cobalt(II) chloride hexahydrate (CoCl₂•6H₂O).This is justified by the similarities in color of red-purple crystal like grains‚ which is significant in identifying the product out of the eight suggested identities. Only two had similar characteristics which were CoCl₂•6H₂O and CoSO₄•6H₂O. Before unknown A was heated‚ there was a notable common physical property of the substance being red crystal
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means to the middle‚ lateral means to the sides‚ dorsal is the belly-side‚ etc. It is also important to have lab safety plans involved‚ such as wearing goggles‚ always cutting away from the body‚ wearing gloves‚ and cleaning up perfectly. The first system I will cover is the muscular and skeletal system- this system allows our body to move and protects our organs. Pigs
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The cardiovascular system‚ also known as the circulatory system‚ is composed of the heart‚ blood vessels‚ and blood. The term cardiovascular refers to the heart (cardio-) and blood vessels (vascular). The term circulatory refers to the circulation of the blood. The heart is a muscular pump and its regular contractions send blood into tough‚ elastic tubes called arteries‚ which branch into smaller vessels and convey oxygen-rich blood through the body. The arteries eventually divide into tiny capillaries
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Circulatory System of Frogs vs. Circulatory System of Humans The circulatory system of a human compared to that of a frog is different due to the number of chambers each contains. A frog’s heart has three chambers (two atria‚ and a single ventricle)‚ whereas a human’s has four (two atria‚ and two ventricles). The atrium of a frog receives deoxygenated blood from the blood vessels that drain the various organs of the body. The left atrium receives oxygenated blood from the lungs and skin. Both
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The Circulatory System The circulatory system is the system of the human body that is responsible for delivering oxygen‚ nutrients‚ and disease-fighting cells to the body’s organs and tissues. Parts of the circulatory system include the cardiovascular system‚ which consists of the heart‚ lungs‚ blood vessels‚ and blood‚ as well as the lymphatic system‚ made up of the lymph vessels‚ nodes‚ and lymph itself. The cardiovascular system brings oxygen and glucose to the body’s tissues in the blood and
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Name: ___________________________ Date: ________________________ Student Exploration: Circulatory System Vocabulary: artery‚ atrium‚ blood vessel‚ capillary‚ circulatory system‚ heart‚ platelet‚ pulmonary artery‚ pulmonary vein‚ red blood cell‚ urea‚ ventricle‚ vein‚ white blood cell Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. Why do you need blood? __Blood carries oxygenon and nutrients around you body.___________________________________________________
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Circulatory Systems link exchange surfaces with cells throughout the body Diffusion is too slow of an exchange system for large organisms Gastrovascular Cavities Fluid bathes both the inner and outer layers This facilitates exchange between both layers easily‚ as a sort of bridge Evolutionary Variation of Circulatory System Diffusion distance was too great of a problem Three components: Fluid Interconnecting vessels Heart Open and Closed Circulatory Systems Arthropods and most molluscs
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The circulator system of spiders * Spiders are arthropods and they have an open circulatory system. * The open circulatory system is a system in which the organs are directly bathed with nutrients and oxygen. The blood flow is not restricted as much as a closed circulatory system. * The spider’s heart is a simple heart‚ a tube surrounded by muscle with a one-way valve at each end. * It is located in the abdomen a short distance within the middle line of the dorsal body-wall‚ and
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closed circulatory system of some mollusks and all higher invertebrates and the vertebrates is a much more efficient system. Here blood is pumped through a closed system of arteries‚ veins‚ and capillaries. Capillaries surround the organs‚ making sure that all cells have an equal opportunity for nourishment and removal of their waste products. However‚ even closed circulatory systems differ as we move further up the evolutionary tree. One of the simplest types of closed circulatory systems is found
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The Circulatory System The Circulatory System is designed to deliver oxygen and nutrients to all parts of the body and pick up waste materials and toxins for elimination. This system is made up of the heart‚ the veins‚ the arteries‚ and the capillaries. Circulation is achieved by a continuous one-way movement of blood throughout the body. The network of blood vessels that flow through the body is so extensive that blood flows within close proximity to almost every cell. Heart The heart
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