एक स्वस्थ मनुष्य में सामान्य प्रवाही वायु (टाइडल वॉल्यूम) का मान कितने मिलीलीटर होता है?

Which digestive hormone inhibits both gastric secretion and motility, stimulates insulin release, and is secreted mainly when fat is present in the duodenum?

The repeated sequence of gradual onset of apnoea followed by gradual restoration of respiration is called ________.