Answer:
The heart consists of four chambers in which blood flows. Blood enters the right atrium and passes through the right ventricle. The right ventricle pumps the blood to the lungs where it becomes oxygenated. The oxygenated blood is brought back to the heart by the pulmonary veins which enter the left atrium.
Explanation:
Answers A and D are found on my prescription bottles.
People with aids are vulnerable to many infections, including
D. All of the above
