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Chpater 5 Human body
Human Body
| Question | Answer |
|---|---|
| Nerve Cell or Neuron | Basic working unit of the nervous system |
| Infectious Disease | Passed from organism to another: bacteria and viruses are pathogens that infectious diseases |
| Pathogens | Bacteria and veruses/don't belong in your body; organisms that cause some diseases:enter your body and multiplies which creates and infection |
| Antibody | Chemical that the body makes to stop pathosens from infecting other cells |
| Immune System | Helps protect you from many pathogens made of blood cells and other tissues |
| Vaccine | kind of medicine that protects you from a disease |
| Penicillin | Becames the first antibiotic in 1928. Fleming discovered that a fungus, Penicillium, released a subtace that kills bacteria |
| Voluntary Muscle | Mucles that control your skeletal muscles and help you move |
| smiling, running, chewing | voluntary muscle |
| Arm volutary muscle | when you bend your arm, the first muscle relaxes and the others contract |
| Involuntary muscles | muscles you can't control |
| breathing, digesting food, keep your blood flowing, helping your eyes adjust to ligh | involuntary muscle |
| Skeletal Muscles | voluntary/ attached to your bones which helps you move |
| Smooth Muscle | Involuntary - works automatically in different organ systems |
| Cardiac Muscle | Involuntary - found only in the heart |
| Blood returns from the body | enters the right side of the heart |
| Right pump sends bloods filled with carbon dioxide to the lungs | carbon dioxide leaves blood- oxygen enters the blood |
| Blood from the lungs enters | the left side of the heart |
| Left pump moves blood into | the body which needs oxygen |
| Heart pumping starts all over again when | the blood return to the heart for oxygen |
| Mouth | teeth and saliva break down food |
| esophagus-25 cm long | smooth muscles in esophagus contract and move food toward stomach |
| Stomach- smooth muscles mash th food and mix in juices | pushes food into small intestine |
| Small intetine 7 meters long and 2.5 cm wide | digestion takes place during 3-6 hours juices in small intesting and other organs break the food |
| Large Intetine | Removes much of the liquid and stores the solid waste until it leaves the body |
Created by:
kkoester
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