An ________ is composed of two or more tissues types, whereas ________ are microscopic structures in a cell
A) organelle; molecules
B) organ system; organs
C) organ; molecules
D) organ; organelles
E) organ system; organelles
D
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Which of the following is (are) true of the thymic lobules?
A) They are the site of the production of lymphocytes, but not of the T cells. B) They contain lymphoid stem cells and thymic corpuscles. C) They lack an internal structure of a cortex and a medulla. D) They contain special capillaries that selectively acquire circulating antigens to pass through the tissues. E) All of the answers are correct.
What organs are involved in swallowing and are just passageways that are not involved in mechanical nor chemical digestion?
A. Pharynx B. Pharynx and esophagus C. Larynx D. Esophagus
A marathon runner was perspiring heavily. Which function of sweat was occurring?
A) Releasing heat from the body B) Absorbing enzymes into the body C) Releasing enzymes from the body D) Absorbing heat into the body
The cone-shaped section of bone located at the base of each temporal bone is called the:
A) lamboid suture. B) mastoid process. C) cribriform plate. D) ethmoid bone.