You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is In a normal person which of the following occurs when he changes to supine position from standing and explain in detail?
Venous return is decreased in standing posture due to pooling of blood in lower extremities and is maximum in lying down position. Ref: Textbook of medical physiology by N Geetha, 2nd edition, page no. 170