Dear school board members‚ Students need more space to put their school supplies in which they can’t because their locker partner is taking all the space; therefore‚ lockers should be allowed to one student only. One of the reasons you should agree with me because sometimes you can’t trust your locker partner because he/she will get you in trouble and accuse you for something you didn’t do. For example‚ when you inspect all the students locker in the end of the school year and you find something
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Cardio Vascular System The Heart The heartis a muscular pumping organ located medial to the lungs along the body’s midline in the thoracic region. The bottom tip of the heart‚ known as its apex‚ is turned to the left‚ so that about 2/3 of the heart is located on the body’s left side with the other 1/3 on right. The top of the heart‚ known as the heart’s base‚ connects to the great blood vessels of the body: theaorta‚ vena cava‚ pulmonary trunk‚ and pulmonary veins. Circulatory Loops There are
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About the circulatory system The circulatory system is an organ system; the main purpose of the circulatory system is to deliver nutrients such as amino acids and electrolytes. Move gases‚ hormones‚ blood cells‚ etc to and from cells in the body to fight diseases. Lastly it removes waste products. What helps to control the flow of the blood around the body are the vessels and muscles made up of the circulatory system. This process is called circulation. The heart‚ arteries‚ capillaries and veins
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REPRODUCTIVE SYSTEM Reproductive System A system of sex organs within an organism which work together for the purpose of sexual reproduction. Many nonliving substances such as fluids‚ hormones‚ and pheromones are also important accessories to there productive system. Sexual reproduction produces new individuals - Gametes (sperm & egg) formed by testes and ovaries - Fertilization produces one cell (a zygote)with one set of chromosomes from each parent - Creates genetic variation . Gonads produce
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Introduction: The overall nervous system is made up of the Central Nervous System and the Peripheral Nervous System‚ with the autonomic nervous system being a division of the peripheral nervous system. The autonomic nervous system regulates glands as well as the smooth and cardiac muscle. There are three separate systems within the autonomic nervous system and are called the sympathetic nervous system‚ parasympathetic nervous system and the enteric nervous system. They are responsible for the ‘fight
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The endocrine system refers to the different organs of the body that are responsible for secreting hormones that affect bodily processes. Better known for their ability to process waste‚ the kidneys are responsible for the secretion of four different hormones: rennin‚ calcitriol‚ erythropoietin and thrombopoietin These chemicals released by the kidneys affect a wide range of bodily processes dealing with the circulatory and skeletal systems. Understanding the endocrine functions of the
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Immune System The immune system is the body’s defense against infectious organisms and other invaders. Through a series of steps called the immune response‚ the immune system attacks organisms and substances that invade body systems and cause disease The main way that your skin protects you against disease is through acting much as armor does to knight. The skin creates an impermeable layer that separates your body’s internals from the disease causing bacteria and viruses outside of you. Of course
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How is the cardiovascular system involved in water regulation? Things we’ll be talking about: Why is water regulation important? Water regulation is important as it helps to maintain all the systems within the human and makes sure they are functioning properly. A person loses and gains water every day‚ this is fine as long as the water balance within the body stays at a constant level. If a person gains more water than they lose then this is called a positive water balance. But if a person loses
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Introduction to Human Skeletal System: Skeletal system is the system of bones‚ associated cartilages and joints of human body. Together these structures form the human skeleton. Skeleton can be defined as the hard framework of human body around which the entire body is built. Almost all the hard parts of human body are components of human skeletal system. Joints are very important because they make the hard and rigid skeleton allow different types of movements at different locations. If the skeleton
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The integumentary system involves skin‚ nails‚ nerves‚ hair‚ and glands. The main act of the integumentary system is to protect the body from the atmosphere. It works to protect from illnesses‚ body temperature and body moisture. In sequence for this to happen‚ the integumentary system works together with all different systems in our body. Functions of integumentary system protects‚ secrets‚ maintains body temperature‚ absorbs‚ and receives
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