1 Corinthians 12:20-22

Amplified Bible

²⁰ But now [as things really are] there are many parts [different limbs and organs], but a single body. ²¹ The eye cannot say to the hand, “I have no need of you,” nor again the head to the feet, “I have no need of you.” ²² But quite the contrary, the parts of the body that seem to be weaker are [absolutely] necessary;