The vocal cords and the medial opening between them through which air passes are collectively called the__________.

Urine passes through the___________.

B cells respond to the initial antigen by__________.

Functions of the lymphatic system include__________.

Which of the following is part of the second line of defense against microorganisms?

Interferons__________.

Which of the following are functions performed by the urinary system?

Bending moment M = 180 lb-ft is applied to a rectangular block that has dimensions a = 1.6 in., b = 3.6 in., and c = 3.6 in. Determine the magnitude of the largest bending stress in the block.

A 2,950-lb dinosaur stands on a simply-supported beam. Determine the maximum bending moment in the beam. Let a = 7.6 ft and b = 5.1 ft.

A 6.1-lb pterodactyl stands at a = 5.1 ft on a limb. Determine the maximum bending moment in the limb.