BIO 181 (001&002) FALL 2025 4C Self Check: Circulatory System: Conduction System (LO 4C.1, 4C.2, 4C.3, 4C.4)

Match the number on the wave to its function. 1: Number 1 on the wave above represents… ____ 2: Number 4 on the wave above represents... ____