What event separates childhood from adolescence?
A. puberty
B. infancy
C. formation of germ layers
D. beginning to walk
A
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When competing in a swimming meet, participants release fuel energy from their muscles. What does that activity produce?
A) Heat B) More energy C) Glucose D) Red blood cells
Synovial fluid is present in joint cavities of freely movable joints. Which of the following statements is true about this fluid?
A) It contains enzymes only. B) It contains lactic acid. C) It contains hyaluronic acid. D) It contains hydrochloric acid.
Structurally, a syndesmosis is a _________ joint; functionally, it is a __________ .
A. cartilagenous; diarthrosis B. cartilagenous; amphiarthrosis C. fibrous; amphiarthrosis D. fibrous; synarthrosis E. ball and socket; pivot
The layer of the heart wall composed of cardiac muscle tissue is the
A. pericardium. B. pectinate muscle. C. myocardium. D. pericardial cavity. E. endocardium.