Which of the following structures is likely to consist of dense irregular collagenous connective tissue?
A. bone
B. tendons
C. cartilage
D. dermis of the skin
E. elastic ligaments
D
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The functional unit of skeletal muscle is a(n) ____________________, and these units attach end-to-end to form a(n) ____________________
Fill in the blank(s) with correct word
Overweight people tend to eat more on a daily basis than thinner people do
Indicate whether the statement is true or false
Which cells of the lymph node perform a surveillance role?
A. T cells B. B cells C. Macrophages D. Reticular cells
Answer the following statements true (T) or false (F)
1. The lifting of a 10-lb weight requires the activation of fewer motor units than the lifting of a 5-lb weight. 2. Twitch contractions play an important role in normal muscle activity. 3. Lifting your textbook off the desk is an example of an isotonic muscle contraction. 4. Trying to lift a car (and failing) is an example of an isotonic muscle contraction. 5. In an isometric contraction, no movement occurs but the muscle tension increases.