परिधीय सायनोसिस (Peripheral Cyanosis - त्वचा का नीला पड़ना) का कारण निम्नलिखित में से क्या हो सकता 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 ________.