Meat-flesh radical on the left — visually identical to
月 (moon) but a separate semantic component meaning flesh/body. Indexes
脸 in the body-parts family alongside
胸 (chest),
脚 (foot),
腿 (leg),
肚 (belly),
脑 (brain),
肝 (liver). The face is a fleshy body part, hence ⺼ rather than the moon-
月.