Cells must be able to perform certain functions in order to survive. Which of the following must all cells do to survive? 1. obtain energy
2. absorb wastes
3. utilize oxygen
4. continue growing

Can happen anywhere along the spine if the neural tube does not close all the way. the backbone that protects the spinal cord does not form and close as it should. this often results in damage to the spinal cord and nerves. a) cleft palate b) spina bifida c) encephalocele d) down's syndrome