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Respiratory/Circulat
Question | Answer |
---|---|
What is the function of the circulatory system? | To carry glucose and oxygen to cells and to carry carbon dioxide away from cells |
What carries oxygen and glucose to the cells? | BLOOD |
Blood vessels that carry blood away from the heart are called | arteries |
Blood vessels that carry blood towards the heart are called | veins |
In what type of blood vessel does gas exchange actually happen? | capillaries |
What part of the blood is responsible for the blood clotting? | Platelets |
What part of the blood is responsible for fighting disease? | white blood cells |
What part of the blood is responsible for carrying oxygen? | red blood cells |
What is atherosclerosis? | When fatty deposits buildup on artery walls |
How does exercise help our circulatory system? | It strengthens our heart muscle |
What substances are PRODUCED by respiration? | water and carbon dioxide and ATP |
Where is air first cleaned, moistened, and warmed? | the nose (nasal passages) |
Where in the lungs does gas exchange occur? | In the alveoli (capillaries in the alveoli) |
What is the main function of the respiratory system? | To bring in oxygen and remove carbon dioxide |
What is the name of the dome shaped muscle that helps us to breathe? | diaphragm |
What do we call the small flap of tissue that seals off the trachea during swallowing? | epiglottis |
Which part of the respiratory system looks like an upside down tree? | bronchi |
The alveoli are surrounded by tiny blood vessels called | capillaries |
How does nicotine effect the body? | It raises blood pressure |
Describe the appearance of red blood cells. | They are round discs. |
Describe the appearance of white blood cells. | The are lumps with jagged points. |
What do the alveoli look like? | Tiny sacs of tissue that make up the lungs |
What is the name of the tube leading to the lungs? | trachea |
Name and describe 2 ways that smoking can damage your respiratory system. | 1. Smoking can damage the cilia . The cilia can't clear out mucus and you develop a cough. 2. Tissue in alveoli can become damaged and this impairs gas exchange. 3. Cigarettes contain 40 different chemicals that cause cancer. |