Questenaتدريب يوضح لك ما ينبغي مراجعته لاحقًا
السؤال 85

Which definition correctly completes this urinary-and-excretory statement: excretion is the process that___

  1. absorbs useful nutrients from food
  2. expels cell-made metabolic wastesالإجابة الصحيحة
  3. breaks all food into small molecules
  4. passes only undigested material

الشرح

Excretion disposes of metabolic wastes produced by cell activity, preventing those unwanted products from remaining in the body. Removing undigested food from the digestive tract is egestion, so it is not the process defined here.

تابع هذا الاختبار

بدء التدريب
السؤال 85: Which definition correctly completes this… · Human Body Systems · Questena