During repolarization, __ ions are pumped out of the cell A. Sodium
B. Both sodium and potassium
C. Potassium
D. Calcium

How does the molecular clock work? a. it analyzes the brain functionality of two different species.b. it examines and compares the physical characteristics of two different species.c. it illustrates relationships between two different species.d. it compares the number of mutations that exist in the dna of two different species.

Name the glands associated with human digestive system

Match the functions to the cell types ? contraction and relaxation. conducting electrochemical signals fighting diseases carrying genetic material