This project is based on ‘The Excretory System’. It has vital information such: What it is‚ the functions‚ what makes it up‚ the importance of the system in physical activity and what happens if the system does not work. It contains diagrams‚ pictures and even interesting facts. Enjoy! Acknowlegement We would like to thank the Lord for providing us with the ability to put together this project. We would like to our parents for helping us to gather and put all this information together
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Purpose The digestive system prepares food for use by hundreds of millions of body cells. Food when eaten cannot reach cells (because it cannot pass through the intestinal walls to the bloodstream and‚ if it could would not be in a useful chemical state. The gut modifies food physically and chemically and disposes of unusable waste. Physical and chemical modification (digestion) depends on exocrine and endocrine secretions and controlled movement of food through the digestive tract. Mouth Mouth
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chemical breaking down of food into smaller components‚ to a form that can be absorbed‚ for instance‚ into a blood stream. Digestion is a form of catabolism; a break down of macro food molecules to smaller ones. The digestive process also involves creating waste to be eliminated. The digestive track (gut) is a long twisting tube that starts in the mouth and ends at anus. It’s made up of a series of muscles that coordinate the movement of food and other cells that produce enzymes and hormones‚ to aid in
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Similarities and differences in the structure and function of the three types of muscle tissue and where they are found in the body: Skeletal – single‚ very long‚ cylindrical‚ multinucleated cells with very obvious striations‚ voluntary via nervous system controls‚ attach to bones for movement‚ slow to fast contractions Cardiac – branching chains of cells‚ uninucleated‚ striated‚ involuntary‚ found only in the heart‚ slow rhythmic contractions Smooth – single‚ fusiform‚ uninucleated‚ no striations
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Excretory System Of Cockroach The excretory organ of cockroach is the malpighian tubules. It is found at the junction of the midgut and hind gut and are about 150 in number. They are fine‚ yellow coloured and branched threads present in bundles. They lie freely in the haemolymph. The distal parts of the tubules extract inorganic ions‚ uric acid and amino acids by active transport and water by diffusion from the surrounding haemolymph. The filtrate moves towards the ileum. In the proximal parts
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have intestinal worms. Join the Deworming Program of your School. Activity 2 Make a list of foods that are good for the body. What foods have you eaten that are good for the body? Activity 3 Demonstrate a. Proper washing of the hands. b. Proper washing of vegetables and fruits that are eaten raw. Worksheet No. 1 Parts of the Skeletal System 1. ____________________ 2. ____________________ 3. ____________________ 4. ____________________ 5. ____________________
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Digestive System * uniquely constructed to perform its specialized function of turning food into the energy you need to survive and packaging the residue for waste disposal. Parts of the digestive system: 1) MOUTH * is the beginning of the digestive tract; * digestion starts here when taking the first bite of food. * Chewing breaks the food into pieces that are more easily digested‚ while saliva mixes with food to begin the process of breaking it down 2) ESOPHAGUS
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smaller parts. Most of the food humans consume should be digested into more basic parts‚ in order for it to be absorbed into the body and used within the body. Additionally‚ nutrients are the most important substances that allow the body to perform daily activities. Furthermore‚ carbohydrates‚ fats and proteins are the chief nutrients that the human body needs‚ in order to grow‚ repair‚ move‚ and maintain homeostasis. These nutrients are broken down and absorbed into the body at different rates‚ and into
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The Skeletal System 2/17/13 Period: 2 Sierra Smith Emily Johnson Imani Rigguns The skeletal system is one of the most important systems in the human anatomy. Without this system our bodies wouldn’t have any source of motion or movement. From the skull all the way to the toes of our feet‚ everything is important. Out of the 206 bones‚ they all form our different shapes and make us all unique. They create our framework and enables us the move and perform our different
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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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