The area in the urinary bladder that is bounded by the openings of the ureters and the entrance to the urethra is the __________.
A. rugae
B. detrusor
C. trigone
D. renal pelvis
trigone
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Which are characteristic of leukocytes? a: Smaller than erythrocytesb: Have a nucleusc: Have no hemoglobind: More numerous than erythrocytese: Depending on type, may or may not contain granules
A. b, c, d, e B. a, b, e C. b, c, e D. a, b, c, d E. a, b, c, d, e
Endochondral ossification ________, whereas intramembranous ossification ________.
A. forms bone in broad, flat areas of the skull; occurs in the limbs B. inhibits osteoblast activity; activates osteoclast activity C. activates osteoclasts; inhibits osteoblast activity D. replaces hyaline cartilage; replaces undifferentiated connective tissue
Which structural feature of the upper limb marks the attachment site of the biceps brachii muscle, a flexor of the forearm?
A) trochlear notch B) deltoid tuberosity C) styloid process D) radial tuberosity E) coronoid process
Extracellular fluid is a protective component of the CNS. The ________ fluid, found inside the pia mater, and the ________ fluid, found in ventricles between the pia mater and arachnoid membrane, make up the extracellular environment for neurons. They communicate across leaky junctions of the ________ membrane and the ________ cell layer that lines the ventricles.
Fill in the blank(s) with the appropriate word(s).