Damage to the heart can cause inadequate blood circulation, which can lead to more damage to the heart. This is an example of a positive feedback cycle.
Answer the following statement true (T) or false (F)
True
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In the first few seconds of skeletal muscle contraction, what is the main mechanism by which ATP is replenished?
A. Oxidative phosphorylation rapidly generates ATP from glucose. B. Myoglobin catalysis produces ATP. C. Glycolysis produces ATP from glycogen. D. Energy and phosphate are transferred from creatine phosphate to ADP. E. Oxidation of fatty acids into ATP occurs in the mitochondria.
The ________________________________________ is the simplest unit of function within the nervous system
Fill in the blank(s) with correct word
The humerus articulates with the radius at the
A. medial epicondyle. B. capitulum. C. radial fossa. D. trochlea. E. lateral epicondyle.
Which type of muscle contains fusiform cells that function to propel materials through hollow organs?
A. Striated B. Skeletal C. Voluntary D. Smooth