Question

neurotransmitters are chemicals released by ________. endocrine glands neurons blood cells bone cells need help? review these concept resources. read about the concept

Explanation:

Neurotransmitters are chemical messengers in the nervous system, released by neurons to transmit signals across synapses. Endocrine glands secrete hormones, not neurotransmitters. Blood cells and bone cells do not release neurotransmitters.

Answer:

B. neurons