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 |