A cell is the smallest unit of life, it is often called “ building block of life” the human body is composed of trillions of cells , all with their own specialized function
Cuckoos are commonly known for brood parasitism, meaning that they lay their eggs in other birds' nests and leaving the unfortunate mother of that nest to care for the invader baby. Sometimes, the cuckoo would even remove the mother's eggs to ensure that the invader baby bird would get the most care and food.
So a cuckoo bird's relationship with a warbler would be that of parasitism. At the very least, it's harmful for the warbler.
Answer:
Pyloric sphincter
Explanation:
The duodenum is the first section of the small intestine, it is connected to stomach by pylorus (which means "gatekeeper"). The pylorus ends as the pyloric orifice which is surrounded by a band of muscle named "pyloric sphincter" it is located exactly in the junction between stomach and duodenum.
I think the answer might be cellular respiration, which is the process of turning food into energy the cell can use.