How do we expand the thorax in respiration?
What will be an ideal response?
(The diaphragm expands in the superior–inferior dimension; the accessory muscles of the thorax, neck, and arms expand the rib cage in the transverse dimension.)
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The Achilles and plantaris tendons insert onto the
A. calcaneus. B. lateral malleolus of the fibula. C. medial malleolus of the tibia. D. talus.
Which imbalance results when systemic arterial blood CO2 levels raise to abnormal values?
a) Metabolic alkalosis b) Metabolic acidosis c) Respiratory acidosis d) Respiratory alkalosis e) None of these choices
When the myosin head (of the thick filament) flexes into a bend, while releasing ADP and inorganic phosphate, pulling the thin filament along with it, this is called the
A) action reaction. B) power stroke. C) recovery stroke. D) muscle tone.
What is necessary for the transport of oxygen by an erythrocyte?
A) albumin B) hemoglobin C) granules D) mitochondria