★ Transport System Quiz
Which of the following statement is true about heartbeat regulation during vigorous exercise?
A. Cardioinhibitory center is stimulated by medulla oblongata.
B. Norepinephrine is secreted to AV node at the end of parasympathetic nerve
C. Noradrenaline is secreted to SA node at the end of sympathetic nerve.
D. Acetylcholine is secreted to SA node at the end of parasympathetic nerve.
Select your answer:
Topics:
Genetics and Probability Human Organ System Visual Impairment Respiration, Immune System, Blood Cells Acute Responses to Exercise Parts of Human Body Carbohydrates / Fat-soluble Vitamins Cell Biology & Biotechnology Cartilage Cardiovascular Diseases Children Well-being Radiation and Health The Skeletal System Psychology Vocabulary Inherited & Acquired TraitsOther quiz:
Neurology › ViewWhich of the following is not a skill necessary to become a surgeon?
A. Good social skills
B. Tennis ability
C. Concentration
D. Steady hands
Regulating the Cell Cycle › View
Apoptosis is…….
A. programed cell death
B. a phase of mitosis
C. a type of cancer
D. a carcinogen