Fill in the Blank QuestionFill in the blank question.The covering that encloses the heart is called the .

Which membrane covers the heart?

Fill in the Blank QuestionFill in the blank question.The three layers of the heart, in the correct order from superficial to deep, are the , the , and the .

Fill in the Blank QuestionFill in the blank question.The heart is housed within the mediastinum and rests on the , a muscle.

Figure 2 shows a diagram of the human heart. Name the chamber labelled A.

The heart, and the proximal ends of the large blood vessels to which it attaches, are enclosed in a membranous sac called the ______.Multiple choice question.myocardiumpericardiummediastinum