Compare and contrast aerobic exercise and anaerobic exercise in terms of energy production
What will be an ideal response?
Aerobic ("with O2") exercise involves large muscle groups and is performed at a low-enough intensity and for a long enough period that fuel sources can be converted to adenosine triphosphate (ATP) by using the citric acid cycle and oxidative phosphorylation as the predominant metabolic pathway. Aerobic exercise can be sustained from 15 to 20 minutes to several hours at a time. Significant benefits can be derived from aerobic exercise performed between 70% and 80% of maximal heart rate. In contrast, short-duration, high-intensity activities, such as weight training and the 100-meter dash, which last for a matter of seconds and rely solely on energy stored in the muscles and on glycolysis, are forms of anaerobic ("without O2") exercise.
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Indicate whether the statement is true or false
Identify the cervical lymph nodes in the following figure
A) A B) B C) C
The lymphatic trunk that drains the upper limb is the _______________.
A) bronchomediastinal trunk B) intestinal trunk C) subclavian trunk D) jugular trunk
Neuronal axons typically have abundant
A. voltage-gated channels for Na+ that open in response to depolarization. B. voltage-gated channels for K+ that open in response to hyperpolarization. C. ligand-gated channels for Na+. D. ligand-gated channels for K+. E. voltage-gated channels for Ca2+.