Which type of research method attempts to answer the question, "why are they doing that? " (site 1)

The correct answer is qualitative research.

Explanation:

The qualitative research refers to a kind of research that aims to gain an understanding of the reasons, motivations, and opinions behind the subject or the concept being examined. This approach is utilized in various branches of study like in business, social sciences, market research, and even in the natural sciences.

cuz they cant breath

explanation:

hormones in blood stream

image: dtc.ucsf.edu

endocrine glands secrete hormones into the blood stream near them; the hormones then travel in our bloodstream until it reaches its destination, called a target cell, in distance parts of the body. in the target tissue, hormones lock onto the target’s plasma membrane, called the receptor site.