Spot the false claim

Exercise and reference answers

Questions

1. False statement

   The stomach is an excretory organ

   Statements

   1. Sweat glands are coiled tubules in the skin
   2. The kidney excretes urea as urine
   3. The stomach is an excretory organ

2. False statement

   Mass flow is driven by a concentration gradient

   Statements

   1. Osmosis needs a semi-permeable membrane
   2. Diffusion runs from high to low concentration
   3. Mass flow is driven by a concentration gradient

Instructions

Two statements are true and one is false. Tap the false one.