Johnny wych;
Yes, you can. From LabVIEW's "point of view", all it receive is an electrical signal. You need the adequate sensors and data acquisition hardware to capture your signals, convert it to a electrical signal and input to the computer so LabVIEW can have access to the data.
National instruments also has a product specifically to measure biological signals. It is called BioBench:
http://sine.ni.com/apps/we/nioc.vp?cid=10435〈=US
Regards;
Enrique
www.vartortech.com