★ Cardiorespiratory Endurance Quiz
Which statement is true?
A. A fit person’s heart may work more efficiently than a nonfit person’s heart because genetics determines the heart’s efficiency.
B. A fit person’s heart may work the same as a nonfit person’s heart because genetics determines the heart’s efficiency.
C. A fit person’s heart works more efficiently by pumping less blood with more beats.
D. A fit person’s heart works more efficiently by pumping more blood with fewer beats.
Topics:
Muscoskeletal System Heart and Circulatory System Musculoskeletal Injuries & Workstation Design Fluid and Electrolytes Population Ecology Stress and Mental Health Neuroanatomy of CNS Thyroid Safety Terms Body Fluids and Blood Cells Human Eye and Colorful World Sources Of Food Characteristics of Life Viruses and Prions Body DefenseOther quiz: Endocrine System
Glycogen 糖原 is converted into glucose and released into the blood with the effect of
A. Insulin 胰岛素
B. Glucagon 胰高血糖素