Two Elements That Are Necessary for Cell Respiration Are

question 78

Multiple Choice

Two elements that are necessary for cell respiration are:

• A)sodium and potassium
• B)calcium and phosphorus
• C)iodine and sulfur
• D)iron and copper

---

Definitions:

Dyadic Skills

The interpersonal skills required to effectively manage and navigate two-person relationships, such as communication and conflict resolution.

Orienting System

A cognitive mechanism that directs attention towards novel or significant stimuli in one's environment.

Still-Face Paradigm

A research technique for assessing infant coping strategies. The infant is seated facing the mother who is instructed to interact in normally pleasant and playful ways at first and then is asked to change her behavior and to be completely unresponsive or withdrawn.