input question: What is the missing first step of the following process: - Enters the lungs - The oxygen fills the sacs in your lungs - Carbon dioxide is removed from the lungs and exhaled - The oxygen is pass throughout your body.???
output answer: Air is taken through the mouth

input question: What is the missing first step of the following process: - The liver uses chemicals and proteins to treat the blood - The blood is cleaned - Energy is produced - The blood leaves the liver cleaned.???
output answer: Blood is sent to the liver

input question: What is the missing first step of the following process: - The bird collects bits of sticks and grass - The sticks and grasses are placed between support branches - Leaves, mud and spider webs are added to the sticks - The mud, leaves and webs glue the sticks together - The solid nest supports the eggs -???
output answer: A bird picks a spot high spot, often in a tree

input question: What is the missing first step of the following process: - The pancreas creates juices that help digest food - The pancreas releases the juices into the stomach - Trypsin and chymotrypsin digest protein - Insulin is produced to move glucose from the blood - The enzymes begin producing again.???
output answer:
The pancreas detects chemical changes in the stomach