The large artery that receives blood from the left ventricle and distributes it to the rest of the body is called the
A. aorta.
B. pulmonary artery.
C. pulmonary vein.
D. vena cava.
Answer: A
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Answer the following statements true (T) or false (F)
1. Major life changes are more likely to cause stress-related illness in someone with a strong support network than in someone who is more of a loner. 2. People who work in rewarding helping professions, such as teachers and social workers, are less prone to burnout than people in other types of professions. 3. Those who exercise regularly have a milder physical stress response than non-exercisers. 4. Caffeine consumption is associated with lower levels of cortisol.
White blood cells that directly destroy virus-infected and cancerous cells are ______ cells.
A. helper T B. suppressor T C. natural killer D. B
Elementary school children accumulate ________ of their daily steps outside of school
A) 10% B) 20% C) 30% D) 60%
The three components that make up the female athlete triad relate to
A. menstruation, bone health, and gastrointestinal function. B. the immune system, muscular strength, and body temperature. C. energy availability, vision, and oxygen uptake. D. energy availability, menstruation, and bone health.