Use This Figure to Answer the Corresponding Questions

question 18

Short Answer

Use this figure to answer the corresponding questions.
-Identify the location(s) where fast calcium channels are open.
a.1 and 2
b.1 and 3
c.2 and 3
d.3 and 4
e.4 only

---

Definitions:

Capital Expenditure

Funds used by an organization to acquire, upgrade, and maintain physical assets such as property, industrial buildings, or equipment.