A. are more likely to lodge in the right primary bronchus. B. are more likely to lodge in the left primary bronchus. C. lodge equally often in each of the two primary bronchi
A. The right lung has two secondary bronchi and the left lung has three secondary bronchi.
B. The left lung has two secondary bronchi and the right lung has three secondary bronchi.
C. Each lung has two secondary bronchi.
D. Each lung has three secondary bronchi.
E. Each lung has four secondary bronchi.
B
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In the clotting cascade, factor Xa helps convert prothrombin to thrombin
Indicate whether the statement is true or false.
Which structure is the adult remnant of the umbilical vein?
A) Fossa ovalis B) Ligamentum venosum C) Ligamentum arteriosum D) Ligamentum teres
Which of the following is never catabolized for energy, even in cells dying of starvation?
A) DNA B) proteins C) rRNA D) tRNA E) mRNA