Question

question 6 (multiple choice worth 2 points) where does oxygenated blood first enter the heart? right atrium right ventricle left atrium left ventricle

Explanation:

Oxygenated blood from the lungs travels through the pulmonary veins and first enters the left atrium of the heart. The right atrium and right ventricle deal with deoxygenated blood, and the left ventricle receives blood from the left atrium to pump to the body.

Answer:

Left atrium