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 Staying Alive 42 Flashcards |
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The primary function of the heart is to ___ blood through blood vessels. |
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Pump  |
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True or False: The heart's rate increases during exercise to meet the body's oxygen demand. |
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True  |
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Fill in the blank: Oxygen from inhaled air passes into the blood within the ___ during respiration. |
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Lungs  |
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What happens to the breathing rate during exercise and why? |
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The breathing rate increases because the body requires more oxygen.  |
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Riddle: I am an organ that processes food, where nutrients are absorbed and waste is expelled. What am I? |
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Stomach and intestines  |
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The brain continuously operates by receiving information from various ___ organs. |
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Sense  |
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True or False: Children have larger lungs than adults, which is why they breathe slower. |
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False - Children have smaller lungs than adults, leading to a higher breathing rate.  |
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Fill in the blank: Maintaining heart health requires a balanced diet and ___ to support its function. |
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Exercise  |
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What is the significance of the pulse felt in the wrist? |
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It corresponds to heartbeats and allows measurement of the heart rate.  |
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During which activity does the heart beat faster to ensure adequate blood circulation? |
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Exercise  |
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Animals are classified into warm-blooded and cold-blooded based on their ability to ___ . |
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Maintain internal body temperature.  |
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True or False: All mammals lay eggs. |
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False. Mammals give birth to live young.  |
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Riddle: I am cold-blooded, have scales, and lay eggs in water. What am I? |
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A fish.  |
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Fill in the blank: Birds are characterized by being warm-blooded and having ___ . |
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Feathers.  |
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What are the six major animal groups based on shared characteristics? |
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Mammals, Reptiles, Fish, Birds, Insects, and Amphibians.  |
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Which animal group is known for having a three-part body and six legs? |
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Insects.  |
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Riddle: I can live both on land and in water, and I lay eggs. What am I? |
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An amphibian.  |
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True or False: Reptiles are warm-blooded animals. |
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False. Reptiles are cold-blooded.  |
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Fill in the blank: The young form of a butterfly known as a caterpillar is an example of ___ in the life cycle of insects. |
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Larval stage  |
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True or False: All animals have the same life cycle stages from birth to adulthood. |
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False. Different animals have varying life cycle stages and developmental changes.  |
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Riddle: I am cold-blooded, live in water, and have gills. What am I? |
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A fish.  |
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Completed! Keep practicing to master all of them. |
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