Gas exchanges in the smallest openings of the respiratory system called the ________________________________________
Fill in the blank(s) with correct word
alveoli
Anatomy & Physiology
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In order for muscle relaxation to occur,
A. calcium ions must be transported to troponin. B. power strokes slow down. C. the active sites on actin must be blocked. D. sodium ions must be actively transported to troponin. E. the active sites on myosin must be uncovered.
Anatomy & Physiology
How early can chorionic villi sampling be done?
A. Tenth week of pregnancy B. Second week of pregnancy C. Eighth week of pregnancy D. Fifth week of pregnancy
Anatomy & Physiology
Which of the following nerves from the sacral plexus goes to the external genitalia?
a. obturator b. iliohypogastric c. genitofemoral d. pudendal
Anatomy & Physiology
The DNA triplet is the same sequence as the ________, except that U replaces T.
A) chromatin B) histone C) codon D) gene E) anticodon
Anatomy & Physiology