The ____ is the major excretory organ of the body because it eliminates nitrogenous wastes
a. liver
b. bladder
c. skin
d. kidney
d
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____________________ is the term that refers to the heart's ability to contract rhythmically as a result of action potentials that it generates by itself
Fill in the blank(s) with correct word
The inner lining of the fibrous pericardium is formed by the
a. pericardial cavity. b. myocardium. c. diaphragm. d. endocardium. e. parietal layer of serous pericardium. f. epicardium.
The duct system of the male reproductive system includes the ________.
A) epididymis B) urethra C) ductus deferens D) corpus spongiosum
A fellow student has an allergy to grass pollen. Which of the following leukocytes is most active in this student during an allergic reaction?
A) neutrophils B) monocytes C) eosinophils D) basophils