Identify and Briefly Define the Three Primary Types of Control

question 14

Essay

Identify and briefly define the three primary types of control used in experiments.

---

Definitions:

Premature Atrial Contractions

Early heartbeats originating in the atria, often perceived as a skipped beat and usually benign but can indicate underlying health issues.

Atria

The upper chambers of the heart.

Inferior Vena Cava

The large vein that carries deoxygenated blood from the lower half of the body into the heart.

Right Atrium

The right upper chamber of the heart that receives deoxygenated blood from the body through the venae cavae and pumps it into the right ventricle.