Venous blood from the ankle travels and goes through tibial vein, popliteal vein, femoral vein, external iliac vein, common iliac vein, inferior vena cava to the heart (right side). From the heart to the right side of the brain, blood goes through the aorta and the brachiocephalic artery. The brachiocephalic artery the then divides into the right common carotid artery and the right subclavian artery and both supply the right side of the brain.
No, it should be 2Na + 2H2O------> 2NaOH +H2
Electrons become excited in the reaction centre of the Photosystem during the first stage of photosynthesis.
