मानव कोलोस्ट्रम (मां का पहला दूध) किस घटक से समृद्ध होता है जो जीवाणुरोधी और विषाणुरोधी गुणों के लिए जिम्मेदार 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 ________.