Question
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D. Answer the questions.
  1. How do body cells get food and oxygen?
  2. Why is it important for wastes to be carried away from cells?

Ask by Flynn Burgess. in the United States
Dec 23,2024

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Answer

1. How Do Body Cells Get Food and Oxygen?
Body cells receive food and oxygen through the circulatory system:
  • Digestive System: Food is broken down into nutrients.
  • Absorption: Nutrients and oxygen are absorbed into the bloodstream.
  • Transport: The heart pumps the oxygen-rich blood to all cells.
  • Cell Uptake: Cells take in the nutrients and oxygen for energy and metabolism.
2. Why Is It Important for Wastes to Be Carried Away from Cells?
Removing wastes is important because:
  • Prevents Toxic Buildup: Wastes can become harmful if they accumulate.
  • Maintains Cellular Health: Keeps cells functioning properly.
  • Supports Homeostasis: Helps keep the body’s internal balance.
  • Prevents Disease: Avoids health issues like kidney stones and gout.
  • Facilitates Detoxification: Helps organs like the kidneys and liver clean the body.
In short, removing wastes keeps cells healthy and the body functioning correctly.

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Extra Insights

Body cells get food and oxygen through a fascinating process involving the bloodstream. Nutrients from digested food are absorbed into the blood, and then the heart pumps this nutrient-rich blood throughout the body. Oxygen, obtained through respiration, is picked up by red blood cells in the lungs and transported via the blood, ensuring every cell has the energy it needs to function.
It’s crucial for wastes to be effectively transported away from cells to maintain a healthy environment. If waste products like carbon dioxide and urea accumulate, they can become toxic, interfering with cellular functions and leading to conditions such as cell death or overall organ dysfunction. So, the body smartly uses the bloodstream and excretory systems to keep things running smoothly!

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