How the Heart and the Lungs Work Together

Science - Grade 4 / Living Things and Their Environment

Sample Question

It is a hollow, muscular organ about the size of a clenched fist.

  • heart
  • lungs
  • kidneys
  • brain

This is just one of our 121,230 study questions in Quipper School.

Quipper School Philippines Curriculum

Science - Grade 4