A person walks across a room in barefeet and puts his foot on a drawing pin lying on the floow. He lets out a cry. Explain what happens in his nervous system in bringing about this response.

One day an army group won a land battle against the enemy. The commander feared that the enemy's powerful air force might bomb his camp that night in revenge. So he ordered all lights to be put out at 7:00 PM. At midnight the commander went round inspecting the camp. Seeing a light in a tent, he entered it. His son, an officer under him, was writing a letter. The son explained that he was writing to his mother about his brave deeds in battle. The commander told his son to add to his letter that by the time his mother received the letter he would have been shot dead for indiscipline. The commander entered his son's tent because he

Read the passage and answer the question. One day an army group won a lond battle against the enemy. The commander feared that the enemy's powerful air force might bomb his camp that night in revenge. So he ordered all lights to be put out at 7:00 PM. At midnight the comman went round inspecting the camp. Seeing a light in a tent, he entered it. His son, an officer under him, was writing a letter. The son explained that he was writing to his mother about his brave deeds in battle. The commander told his son to add to his letter that by the time his mother received the letter he would have been shot dead for indiscipline. The son was writing a letter because he

One day an army group won a lond battle against the enemy. The commander feared that the enemy's powerful air force might bomb his camp that night in revenge. So he ordered all lights to be put out at 7:00 PM. At midnight the comman went round inspecting the camp. Seeing a light in a tent, he entered it. His son, an officer under him, was writing a letter. The son explained that he was writing to his mother about his brave deeds in battle. The commander told his son to add to his letter that by the time his mother received the letter he would have been shot dead for indiscipline. The commander went round the camp at midpoint because he