Please choose the correct ending to complete the given sentence: Health: [header] How to study the functions of sensory neurons in humans [title] Be familiar with the types of neurons in the human body. [step] Generally speaking, neurons are specialized cells of the nervous system of all living systems, including mammalians. The two main neuronal types in humans are motor and sensory neurons.

Ending1: Sensory neurons are very important for the proper communication of the body with the environment. Without these neurons, the body would be considered in a state of partial death due to the lack of its ability to communicate with the surrounding environment. Ending2: In many laboratories, neurons are separated into species. [substeps] Motor neurons and sensory neurons are separate. Ending3: Motor neurons are the main food receptors in the nervous system, consisting of the neurons of neurons located in the nervous system. Any yogi can start a system cocktail of mind during any of the two neurinstitutions independently. Ending4: If you are studying the functions of motor neurons, you will want to learn what types of neurons are used in the human body. [substeps] Motor neurons are essentially fixed neurons that constantly process information and are used only in execution of an action that is wanted.

Answer format: ending1/ending2/ending3/ending4