बलपूर्वक उच्छ्वसन (forced expiration) के दौरान, निम्नलिखित में से कौन सी मांसपेशियां सक्रिय रूप से संकुचित होती हैं?

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 ________.