What Is the Term for the Ability of the Heart

question 1

Multiple Choice

What is the term for the ability of the heart cells to transmit electrical current from cell to cell?

• A) conductivity
• B) contractility
• C) automaticity
• D) irritability

---

Definitions:

Amniotic Cavity

A fluid-filled sac that encloses and protects the developing fetus in the uterus.

Endoderm

The innermost layer of cells or tissue of an embryo in early development, which gives rise to the lining of the digestive and respiratory systems.

Epidermis

The outermost layer of skin that provides a waterproof barrier and creates our skin tone.

Mucosa

Mucous membrane consisting of epithelium and lamina propria. In the digestive tract, there is also a layer of smooth muscle.