Bio project unit 12.pdf - Ryan Debreceni Unit 12 Biology project-Blood Types Section A 1 Blood flows by entering the heart through two main veins and

Bio project unit 12.pdf - Ryan Debreceni Unit 12 Biology...

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Ryan Debreceni Unit 12 Biology project-Blood Types 5/30/19 Section A 1. Blood flows by entering the heart through two main veins and then when your heart contracts it sends the blood out to wherever it needs to go. 2. Arteriescarry oxygenated blood away from the heart to the body, and veins carry oxygen-poor blood back from the body to the heart. 3. The pathway starts by entering the nostrils then passes through the nasopharynx then through the oral pharynx then through the glottis then into the trachea then it enters the lung and goes either left or right into bronchi which then branch into bronchioles then it terminates into a cluster of alveoli. 4. Three diseases on the respiratory system are chronic bronchitis, asthma and Pneumonia. Asthma is usually genetic but it is caused by an allergy were it becomes awfully hard to breathe. Pneumonia is by breathing some sort of germs or sickness directly into your lungs which again makes it hard for you to breathe and hurts. Chronic bronchitis many different ways but the most common is by smoking or breathing in air pollution it can also be very painful to whoever has it.
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