**Core Concept**
Blood pressure is a critical physiological parameter that reflects the force exerted by blood against the vessel walls, playing a vital role in maintaining cardiovascular homeostasis. It is influenced by the cardiac output and vascular resistance.

**Why the Correct Answer is Right**
The correct answer is the product of cardiac output (CO) and systemic vascular resistance (SVR). Cardiac output is the volume of blood pumped by the heart per minute, while systemic vascular resistance is the resistance offered by the systemic circulation to blood flow. The formula for calculating blood pressure is: Blood Pressure = Cardiac Output x Systemic Vascular Resistance. This formula highlights the interplay between the heart's pumping ability and the resistance offered by the blood vessels, which collectively determine the pressure exerted against the vessel walls.

**Why Each Wrong Option is Incorrect**
**Option A:** This is not a valid formula for blood pressure, as it does not take into account the cardiac output or systemic vascular resistance.
**Option B:** This formula is incorrect, as it only considers the cardiac output and not the systemic vascular resistance, which is a crucial determinant of blood pressure.
**Option C:** This formula is not relevant to blood pressure, as it includes factors such as peripheral resistance, which is a component of systemic vascular resistance but not the sole determinant of blood pressure.

**Clinical Pearl / High-Yield Fact**
It is essential to remember that blood pressure is a dynamic parameter influenced by both cardiac output and systemic vascular resistance. Understanding the interplay between these two factors is crucial for diagnosing and managing hypertension and other cardiovascular disorders.

**Correct Answer:** C.