मानव शरीर में, हेमेटोपोएटिक स्टेम सेल (hematopoietic stem cells) को निम्नलिखित में से किस स्रोत से प्राप्त किया जा सकता है? (a) परिधीय रक्त (Peripheral blood) (b) अस्थि मज्जा (Bone marrow) (c) गर्भनाल रक्त (Umbbilical cord blood)

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 ________.