The amount of oxygen that is actually used by the body during rest or a hard workout is determined by the heart rate, the stroke volume, and the amount of
a. blood circulating in the vascular system.
b. oxygen removed from the vascular system.
c. oxygen provided to the vascular system.
d. blood the individual has in his body.
b
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Scapulohumeral rhythm refers to:
A) the changing articular configuration of the humeral head in the glenoid cavity with movement. B) the protective contractions of the rotator cuff muscles with humeral abduction. C) the protractive and retractive movements of the scapula that occur with humeral flexion and extension. D) the association between the movements at the glenohumeral and acromioclavicular joints. E) the relationship between movements at the glenohumeral and scapulothoracic "joints" during humeral abduction.
Feces is stored in the ________ prior to defecation
A) sigmoid colon B) anus C) rectum D) cecum
Children's performance in physical activity is greatly influenced by ________
A) their friends B) age C) strength D) their parents
Which of the following strategies shows the greatest potential for reducing the risk of violence?
A. scare tactics B. programs that focus on enhancing self-esteem C. programs that focus on starting early and have a long-term commitment D. segregating antisocial students