Verse 21

وَإِنَّ لَكُمْ فِى ٱلْأَنْعَـٰمِ لَعِبْرَةً نُّسْقِيكُم مِّمَّا فِى بُطُونِهَا وَلَكُمْ فِيهَا مَنَـٰفِعُ كَثِيرَةٌ وَمِنْهَا تَأْكُلُونَ

And certainly, there is a lesson for you in the livestock, We provide a drink for you from their bellies and in them are many benefits for you as well as nourishment.