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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.
Created by: cwalczak