Tissue damage activates nociceptors or pain receptors in the skin. A signal is sent to the peripheral nerve to the spinal cord where neurotransmitters or chemical messengers are released. It activates other nerves to pass signal to the brain. The signals are relayed to the somatosensory cortex for sensation, frontal cortex for thinking and limbic system for emotional response.
Answer:
gravity & mass !
Explanation:
because the sun is so massive compared to earth, the sun keeps earth in a orbit with it. this magnetic pull is what makes our years
Carbohydrates are not important as a stimulus in the gastric phase of gastric secretion, whereas distension, peptides, and low acidity are.
The bug's mass is too low and the train is moving at a higher speed