Cartilage is a tough tissue that contains a protein called collagen.
Cartilage cells, called chondroblasts, make cartilage.
Chondroblasts lead to collagen.
Chondroblasts lead to to what?
Options:
a: migrate
b: sweating
c: strength
d: cartilage
e: illness
f: anemia
g: allow growth
h: Leptospirosis