ANATOMY

Detailed explanation-1: -The oxygenated blood is brought back to the heart by the pulmonary veins which enter the left atrium. From the left atrium blood flows into the left ventricle. The left ventricle pumps the blood to the aorta which will distribute the oxygenated blood to all parts of the body.

Detailed explanation-2: -So, the correct answer is ‘Spleen’.

Detailed explanation-3: -The stomach receives the oxygenated blood from the celiac artery. It also supplies the oxygenated blood to the abdomen, spleen, intestines. The right part of the heart is the first organ which receives the oxygenated blood from the lungs.

Detailed explanation-4: -As the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs, where it is oxygenated. The oxygenated blood then returns to the heart through the pulmonary veins.

Detailed explanation-5: -Adding oxygen to blood Oxygen-poor blood from the body enters your heart through two large veins called the superior and inferior vena cava. The blood enters the heart’s right atrium and is pumped to your right ventricle, which in turn pumps the blood to your lungs.