Delivering oxygen to cells and collecting carbon dioxide is called …..... respiration.

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for a term that describes the process of delivering oxygen to cells and collecting carbon dioxide. This indicates a biological process related to respiration.

2. **Identifying the Type of Respiration**: There are different types of respiration. The two main types are:
- **External Respiration**: This involves the exchange of gases (oxygen and carbon dioxide) between the atmosphere and the lungs.
- **Cellular Respiration**: This involves the use of oxygen by cells to produce energy and the production of carbon dioxide as a waste product.

...