Life processes: Interaction (react to stimuli)

1. CNS encased in bones
   1. Brain & Spinal cord
      1. Reflex action
2. PNS no encased
   1. Motor
      1. Somatic
      2. Autonomic
         1. Sympathetic
         2. Parasympathetic
   2. Sensory

Nota:

• Hearing sight touch taste smell

1. Decition makers
   1. NS & ES

Nota:

• musculoskeletal syste or locomotor system and glands

1. Glands
   1. hormones
      1. target organs
         1. Long lasting response

1. Nerve impulse
2. Synapse
3. Adiction