1) What is the size of heart? a) size of apple b) size of its owner fist c) size of tennis ball 2) How many chambers in heart a) 2 b) 3 c) 4 3) What is the function of heart valves? a) Pump oxygenated blood b) Pump deoxygenated blood c) Allow blood to flow in one direction

Papan mata

Gaya visual

Pilihan

Tukar templat

Pulihkan autosimpan: ?