एक स्वस्थ वयस्क में औसत सामान्य विश्राम पल्स दर (नाड़ी दर) कितनी होती 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 ________.