Which Type of Material is NOT Transported by the Blood

Question

Which type of material is NOT transported by the blood?
A) Blood gases
B) Nutrients
C) Lactate
D) Neurotransmitters
E) Hormones

Accepted Answer

Neurotransmitters are chemical messengers that transmit signals across a chemical synapse, from one neuron (nerve cell) to another target neuron, muscle cell, or gland cell. They are not typically transported by the blood but rather operate in the nervous system.