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FAQs on Crossword: Human Body Parts & Organs - Crossword Puzzles: Solve like a Pro - Class 1

1. What are the main organs of the human body?
Ans. The main organs of the human body include the heart, lungs, liver, kidneys, brain, stomach, and intestines. Each of these organs plays a vital role in maintaining bodily functions, such as circulation, respiration, digestion, and excretion.
2. How does the human body maintain homeostasis?
Ans. The human body maintains homeostasis through various mechanisms, including temperature regulation, blood sugar levels, and pH balance. The nervous and endocrine systems play crucial roles in detecting changes in the environment and initiating responses to keep the internal environment stable.
3. What are the functions of the respiratory system?
Ans. The respiratory system is responsible for the exchange of gases in the body. Its primary function is to bring oxygen into the body and remove carbon dioxide. This process occurs in the lungs, where oxygen is absorbed into the bloodstream, and carbon dioxide is expelled during exhalation.
4. What are the differences between arteries and veins?
Ans. Arteries and veins are both types of blood vessels, but they have different functions and structures. Arteries carry oxygen-rich blood away from the heart to the body, and they have thicker walls to withstand high pressure. Veins carry oxygen-poor blood back to the heart and have thinner walls with valves to prevent backflow.
5. Why is the brain considered the control center of the body?
Ans. The brain is considered the control center of the body because it processes information and coordinates all bodily functions. It regulates vital processes such as heartbeat, breathing, and digestion, and it also enables cognitive functions like thinking, memory, and emotion.
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