Which of the following actions is caused by contraction of skeletal muscle?
A. Contraction of the heart
B. Emptying of the urinary bladder
C. Vasoconstriction
D. Movement of food through the digestive tract
E. Moving your feet in walking
Answer: E
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Which segment of the ECG reflects the plateau phase of ventricular muscle cells' action potentials?
A. P-T segment B. S-T segment C. Q-R segment D. P-R interval E. T-P interval
The ducts that carry secretion from the pancreas empty into which part of the digestive tract?
a. stomach b. duodenum c. ileum d. jejunum
Answer the following statements true (T) or false (F)
1. Saliva begins the process of fat digestion. 2. The pharynx is part of both the respiratory and digestive systems. 3. The esophagus connects the pharynx and the stomach. 4. Gastroesophageal reflux disease (GERD) can cause irritation to the pylorus of the stomach. 5. An overly full stomach can interfere with the complete relaxation of the diaphragm and therefore may restrict the ability to take deep breaths.
Maximum tension is produced in a skeletal muscle fiber when it is...
What will be an ideal response?