Moderate

Which of the following process cause substances to move across membranes without the expenditure of cellular energy?

Correct answer: B. Diffusion

  • A. Endocytosis
  • B. Diffusion
  • C. Active transport
  • D. None of the above

Explanation

Answer is "Diffusion"Explanation: Diffusion cause substances to move across membranes without expenditure of cellular energy.

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About Circulation

The circulatory system covers the chambers, valves and conducting pathway of the human heart, along with the cardiac cycle and control of heartbeat. It compares arteries, veins and capillaries by structure and function, and explains how the lymphatic system returns tissue fluid, transports absorbed fats and supports immunity.

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