Surgical suture e rope: o que têm em comum

1. Passo 1. Surgical suture — utiliza — Needle. A surgical needle.
2. Passo 2. Needle — evoluiu de — Stone tool. Bone needles with an eye are part of the Palaeolithic toolkit.
3. Passo 3. Stone tool — faz parte de — Spear. Early spearheads were made of stone.
4. Passo 4. Spear — evoluiu para — Harpoon. A spear with barbs.
5. Passo 5. Harpoon — tem como parte — Rope. A line connects the head to the hunter.

Abrir Evothings