black_swallowtail moths_and_butterflies macro_photography zebra_swallowtail 무척추동물 invertebrate 곤충 caterpillar 나비 butterfly larva papilio_machaon insect

Caterpillars

Caterpillars have 4,000 muscles (compare humans, with 629). They move through contraction of the muscles in the rear segments pushing the blood forward into the front segments elongating the torso. The average caterpillar has 248 muscles in the head segment alone.