A vaccine is a biological preparation that provides active acquired immunity to a particular disease. A vaccine typically contains an agent that resembles a disease-causing microorganism and is often made from weakened or killed forms of the microbe, its toxins, or one of its surface proteins.
Kinesiology is the scientific study of human body movement. Kinesiology addresses Physiological, Anatomical, Biomechanical, and Neuropsychological Principles and Mechanisms of Movement. Applications of kinesiology to human health include biomechanics and orthopedics strength and conditioning; sport psychology motor control skill acquisition and motor learning methods of rehabilitation, such as physical and occupational therapy; and sport and exercise physiology. Studies of human and animal motion include measures from motion tracking systems, electrophysiology of muscle and brain activity, various methods for monitoring physiological function, and other behavioral and cognitive research techniques.
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Came here to get the achievement for answering a question but sorry bud your on your own on this one.

Blood is responsible for transportation of Oxygen in body which is the part of Cardiovascular system.
therefore, correct choice is :
- D.) Cardiovascular system