Answer:
c sunlight acts as a catalyst for initiating photosynthesis
B-cocaine
act by inhibiting catecholamines reabsorption leading to increase it's activity in cvs,rs.
Answer:
Explanation:
Left coronary artery - divides into two branches (the circumflex artery and the left anterior descending artery). Left anterior descending artery (LAD) - supplies blood to the front and bottom of the left ventricle and the front of the septum. Pulmonary veins - bring oxygen-rich blood back to the heart from the lungs.
