Upper Body Circulation
The superior vena cava is the large vein that brings blood from the head and arms to the heart, and the inferior vena cava brings blood from the abdomen and legs into the heart.
It 1:1 I had an online review and thats the answer it told me it was.
-Hope this helped you
Answer:
Secondary research
Explanation:
Secondary research involves using already existing data, like what can be found in in books, articles, and electronic databases.
A is wrong. Primary research is the research that you do to obtain new information, as in experiments or in interviews and surveys.
B is wrong. Qualitative research is the gathering of non-numerical data.
C is wrong. Summative research is done at the end of a project to determine its success. It can also point the way to future research projects.
