Sarcomeres contract or get shorter by a. moving actin towards the center. Folic acid - inhibits neural tube growth. D - aids absorption of calcium in the gut. C - not required for normal bone development. Schwann cells myelinate dendrites.
Synaptic potentials are bigger.
Myelin is a water-soluble protein. Action potentials travel faster. Ach b. NE c. Sensory neurons 27. Man who works on a farm.