A typical aerobic exercise prescription consists of 3-5 days/week for 20 or more minutes per session at 70-90% of maximal heart rate. More than this yields no improvements in fitness.
a. true
b. false
b. false
Biology & Microbiology
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In negative feedback, the variable being regulated is changed in the _______ direction, while in positive feedback the variable is changed in the ________ direction.
A. same, opposite B. decreasing, increasing C. negative, positive D. inhibitory, stimulatory E. opposite, same
Biology & Microbiology
A person with this lung disease experiences a loss of elastic tissue, which makes it hard to exhale
A) pneumonia B) emphysema C) tuberculosis D) influenza
Biology & Microbiology
Calcitonin is produced by the
A. thyroid gland. B. adrenal medulla. C. anterior pituitary. D. parathyroid glands.
Biology & Microbiology
________ is the main part of the process through which a vegetative cell is formed from an endospore.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology