Question

which is true about the serous pericardium? it contains a visceral layer. it contains a parietal layer. it contains a pericardial cavity filled with serous fluid. all of these are true about the serous pericardium. question 24 (1 point) which is true about the pulmonary veins? they deliver oxygen rich blood directly to the myocardium. they carry blood that is high in oxygen and low in carbon dioxide blood to the left atrium. there are 2 of them. they carry blood that is low in oxygen and high in carbon dioxide gasses to the right atrium.

Explanation:

The serous pericardium has a visceral layer (adheres to the heart), a parietal layer (lines the fibrous pericardium), and a pericardial cavity between them filled with serous fluid for lubrication. Pulmonary veins carry oxygen - rich blood from the lungs to the left atrium.

Answer:

For the first question: D. All of these are true about the serous pericardium.
For the second question: B. They carry blood that is high in oxygen and low in carbon dioxide blood to the left atrium.