Layers of Heart

Q.

In which type of blood vessels is blood pressure the lowest?

Q.

The heart is covered by a membrane called

1. Epidermis

2. Dermis

3. Epicardium

4. Pericardium

Q.

In a closed circulatory system blood is completely enclosed within:

1. sinuses

2. vessels

3. heart

4. skeleton

Q.

Heart is protected by a covering known as ______

Q. Which of the following layers of heart contracts and relaxes to facilitate the flow of blood?

1. Pericardium
2. Myocardium
3. Endocardium
4. All of the following