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JAMB Biology 2011 Question 16

Question 16

Transport in Animals

In mammals, the exchange of nutrients and metabolic products occurs in the

  1. A.trachea
  2. B.lymph
  3. C.lungs
  4. D.oesophagus.
Show the answer and explanation

Answer: B (lymph)

Explanation

Cells are bathed in tissue fluid (lymph). Food and oxygen pass from it into the cells, and wastes pass out into it.