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All human systems  by Isa Madero

All human systems by Isa Madero



This is a presentation about the human systems

This is a presentation about the human systems



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    All human systems  by Isa Madero All human systems by Isa Madero Presentation Transcript

    • Your Body The body is divided up into a number of systems. Skeletal System Digestive Muscular System Cardiovascular & Respiratory System As well as the Nervous system , Endocrine system, etc. System LETS LOOK AT SOME OF THESE SYSTEMS The Human Body  http://www.apples4theteacher.com/elibrary/bodybook.html
    • Digestive System • Without this system, the body would not be able to obtain energy and nutrients. • It breaks down all the food stuffed in my mouth into usable nutrients and expel the wastes.
    • Digestive System Digestion begins when you first smell, see or think about a tasty food. Saliva begins to form in your mouth. When you eat the food your saliva begins to break down the food as you chew it. Once the food is swallowed it goes down the esophagus (say: ih-sah-fuh-gus) where the muscles in the esophagus push the food down into the stomach.
    • Digestive System Attached to the end of the esophagus is the stomach. It is like a bag. In the stomach, food is mixed up into a pulp. From the stomach food goes into the small intestine. This starts at the end of the stomach. It is the longest part. Here, the nutrients from the food pass into the blood.
    • Digestive System After most of the nutrients are removed from the food mixture, there is waste left over. The large intestine pushes the waste into the rectum (say: rek-tum), the very last stop on the digestive tract. Then you flush the toilet.
    • Digestive System Websites MEDtropolis Virtual Body: Digestive Tract  http://www.medtropolis.com/VBody.asp The Real Deal On Digestion  http://www.kidshealth.org/kid/body/digest_S W.html
    • Respiratory System What is the Respiratory System? The respiratory system takes oxygen from the air into our body.
    • Respiratory System Oxygen enters our body through our nose and mouth. Then, it goes down the trachea. The trachea is a tube which takes oxygen to our lungs
    • Respiratory System The trachea is divided into two small tubes. These are called bronchi. Each bronchi is divided into smaller tubes. These are called bronchioles. The bronchioles are inside the lungs
    • Respiratory System The lungs are two organs. They are like bags. They are inside the thorax or chest. Inside the lungs, oxygen goes into the blood
    • Respiratory SystemBreathing
    • Nasal Cavity Nose Throat (pharynx) Mouth Windpipe (Trachea) Bronchus Bronchiole Alveolus Diaphragm Left lungs Ribs
    • Blood circulation What is the circulatory system? The circulatory system moves blood around our body. The circulatory system consists of the blood, the heart and blood vessels. The heart is an organ made of muscle. It is inside the thorax
    • Blood circulation Blood flows through the heart. Then, it is pumped around our body. The heart’s pumping action is called heartbeat. Blood circulates through blood vessels:  Veins are the vessels which carry the blood to the heart.  Arteries are the vessels which carry blood from the heart to the rest of the body
    • Blood circulation The circulatory system transports blood around our body. Blood does three important things: 1.It collects nutrients from the small intestine, and transport them around the body. 2.It collects oxygen from the lungs, and transport it around the body. 3.It collects waste from the body, and transport it to the kidneys.
    • Excretory system The excretory system cleans blood. The most important organs in the excretory system are the kidneys. They collect impurities from the blood. Then, they get rid of them in the urine. Urine collects in the bladder. It is expelled when we go to the toilet.
    • References The Human Anatomy Online  http://www.innerbody.com/htm/body.html The Human Body Adventure  http://vilenski.org/science/humanbody/hb_html/skeleton.html The Story On Bones  http://www.kidshealth.org/kid/body/bones_SW.html Your Gross and Cool Body  http://yucky.kids.discovery.com/flash/body/pg000124.html