What is the first cell that acts to fight an infection? plz be right A
dendritic cell

B
helper T cell

C
granulocyte

D
macrophage

Which biofeedback measurement is correct? ekg assesses electrical activity conducted by our muscles an emg is a test that assesses electrical activity conducted by the heart an eeg is a test that assesses electrical activity conducted by the adrenal glands a gsr is a test that assesses electrical activity conducted by the skin