To be classified as a male, one must have a __________ chromosome.
Fill in the blank(s) with the appropriate word(s).
Answer: Y
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The skeleton of the heart consists of
A. fibrous connective tissue in the endocardium. B. fibrous connective tissue encircling the atrioventricular orifices. C. bone within the interatrial septum. D. bone within the myocardium.
If you were to cut a cross section of the retina and examine it under a microscope, what would be the order of features from the choroid to the posterior cavity?
a: Rods and cones b: Ganglionic axons progressing to the optic nerve c: Bipolar cells d: Ganglion cells' bodies e: Pigmented retina A. a, b, c, d, e B. e, a, c, d, b C. c, a, e, d, b D. d, e, a, b, c E. e, d, c, b, a
At its inferior end, the aorta branches to right and left __________ arteries.
A. internal iliac B. external iliac C. common iliac D. femoral E. inguinal
Which type of epithelium is present where easy exchange of materials out of the blood is most important?
A) simple epithelium B) stratified squamous epithelium C) cuboidal epithelium D) endothelium E) columnar epithelium