1. List three structural features of cartilage and bone tissue that are similar. List three structural features that are different. 2. Explain why people confined to wheelchairs because of paralyzed...

1. List three structural features of cartilage and bone tissue that are similar. List three structural features that are different.

2. Explain why people confined to wheelchairs because of paralyzed lower limbs have thin, weak bones in their thighs and legs.

3. When 2-year-old Jamie was diagnosed with rickets, the doctor put him on a diet rich in vitamin D. Why is the intake of vitamin D important for children?