A runner completes 1 full lap around a 400 meter track. What is her displacement?

A. 400 meters
B.
400 meters X 2?
C. zero
D. need more information


C. zero

Anatomy & Physiology

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What is the average normal pH range of blood?

A) 4.65-4.75 B) 8.35-8.45 C) 7.75-7.85 D) 7.35-7.45

Anatomy & Physiology

during activates requiring aerobic endurance

A) glycogen and glycolysis are the primary source of reserve energy B) oxygen debts are common C) most of the muscle's energy is produced in mitochondria D) fatigue occurs in a few minutes E) oxygen is not required

Anatomy & Physiology

Explain how red bone marrow and yellow bone marrow differ structurally

What will be an ideal response?

Anatomy & Physiology

In a normal electrocardiogram, the

A. P wave results from repolarization of the atria. B. QRS complex results from ventricular depolarization. C. P wave occurs after the QRS complex but before the T wave. D. T wave represents depolarization of the atria. E. repolarization of the atria is clearly visible.

Anatomy & Physiology