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 The Human Body 40 Flashcards |
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What are the three main components of the circulatory system? |
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The three main components of the circulatory system are the heart, blood vessels, and blood.  |
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Fill in the blank: The left side of the heart pumps ___ blood to the body, while the right side pumps ___ blood to the lungs. |
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Oxygen-rich; oxygen-poor  |
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The heart pumps oxygen-rich blood to the body through ___ and receives oxygen-poor blood through ___. |
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Arteries; veins  |
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True or False: The average heart rate decreases from about 90 beats per minute to 70 beats per minute as a person grows older. |
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True  |
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Fill in the blank: The lungs are located in the chest, protected by the _____. |
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Ribcage  |
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True or False: When we inhale, carbon dioxide enters the blood vessels in the lungs. |
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False; when we inhale, oxygen enters the blood vessels in the lungs.  |
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At what age does puberty typically start for boys and girls? |
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Puberty typically starts for boys around age 13 and for girls around age 11. |
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During puberty, boys experience a deepening of their voice due to ___ and ___ growth changes. |
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Muscle and skeletal growth changes.  |
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During puberty, girls typically experience the development of ___ and the widening of ___. |
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Breasts; hips  |
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True or False: The primary function of the reproductive system is to produce sex cells necessary for reproduction. |
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True  |
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The primary function of the testes is to produce ___. |
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Sperm  |
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True or False: The uterus is where fertilization of the egg by sperm occurs. |
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False. Fertilization typically occurs in the oviducts.  |
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What is the role of parasites in disease causation? |
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ParasitesThe Role of Parasites in Disease Causation
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True or False: All bacteria are harmful and cause diseases. |
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FalseUnderstanding Bacteria: The Good and the Bad
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What is one method to help control the spread of diseases transmitted by food and water? |
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Maintaining good hygiene by washing hands with soap and water before eating or handling food.  |
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Fill in the blank: The skin serves as a barrier, preventing ___ from entering the body. |
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Germs  |
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True or False: Mosquitoes and tsetse flies are vectors that cause diseases like malaria and yellow fever. |
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FalseVectors of Disease Transmission
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I pump blood and create a continuous circle in the body. What am I? |
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The heart  |
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Ibn al-Nafis challenged Galen's ideas by proposing that blood moves from the right side of the heart to the lungs and then to the left side of the heart. True or False? |
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True |
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What did William Harvey discover about the heart's function in the circulatory system? |
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Heart FunctionWilliam Harvey's Discovery
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