उपस्थि (कार्टिलेज) तथा हड्डियों के निर्माण और सम्पोषण में आवश्यक तत्व कौन सा 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 ________.