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Correct Answer: A) White blood cells.
Correct Answer: B) Nervous.
Correct Answer: D) Blood vessels.
Correct Answer: D) Platelets.
Correct Answer: A) Aorta.
Correct Answer: D) Tricuspid.
Correct Answer: B) Transportation, Temperature Regulation, and Protection.
Correct Answer: D) The electrical activity of the heart.
Correct Answer: D) Plasma.
Correct Answer: C) Leukemia.
Correct Answer: B) Aorta.
Correct Answer: A) Thrombocytes.
Correct Answer: A) Septum.
Correct Answer: D) An auricular systole, a ventricular systole and a pause.
Correct Answer: A) To form clots (i.e. scabs) when you have cuts and grazes.
Correct Answer: C) Cardiovascular system.
Correct Answer: D) Carbon dioxide.
Correct Answer: C) Veins.
Correct Answer: B) Myogenic heart.
Correct Answer: A) Carbon Dioxide.
Correct Answer: C) Earthworm.
Correct Answer: A) Coronary.
Correct Answer: C) White blood cells.
Correct Answer: C) The heart is composed of cardiac muscle.
Correct Answer: C) Platelets.