2007-09-26 18:33:00 · 4 answers · asked by Anonymous in Science & Mathematics ➔ Biology
1. They contain living, active cells.
2. They require nutrition. Your bones have blood vessels running through it.
3. They fit all of the requirements of living things:
a. Bones are made of cells
b. The cells reproduce
c. They metabolize
d. They can grow in size
e. Bones are organized
f. They must have homeostasis; the correct amount of chemicals and inorganic salts, like calcium
2007-09-30 06:25:08 · answer #1 · answered by possumpal 3 · 0⤊ 0⤋
They need to grow and regenerate. The marrow holds part of the general immune system.
2007-09-27 01:40:48 · answer #2 · answered by scarlettt_ohara 6 · 1⤊ 0⤋
I agree, they heal and grow.
Also, they contain living cells.
2007-09-27 01:40:31 · answer #3 · answered by ecolink 7 · 0⤊ 0⤋
They heal and grow
2007-09-27 01:35:02 · answer #4 · answered by Susie 6 · 0⤊ 0⤋