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Explain why the lymphatic system is a one-way system, whereas the blood vascular system is a two-way system.
Blood vessels form a complete circuit from and to the heart. The lymphatic system lacks arteries and begins with blind-ended lymph capillaries. Thus, it is a "return" system only.
Which portion of the body is drained by the right lymphatic duct?
Right half of upper torso and head; right arm.
Using the following terms, trace the pathway of sperm from the testes to the urethra:
seminiferous tubule to rete testis to epididymis to ductus deference
Name the structures composing the external genitalia, or vulva, of the female
mons pubis, labia majora, labia minora, clitoris, vaginal and urethral openings, hymen, and greater vestibular glands
Put the following vestibular-perineal structures in their proper order from the anterior to the posterior aspect: vaginal orifice, anus, urethral opening, and clitoris
clitoris, urethral opening, vaginal orifice, anus
What is the function of the cavernous bodies seen in the male penis?
This tissue can become engorge with blood, thus making the penis stiff and more effective as a penetrating device
Name the three layers of the uterine wall from the inside out:
endometrium, myometrium, serosa (perimetrium)
Trace the anatomical pathway of a molecule of creatinine (metabolic waste) from the glomerular capsue to the urethra.
Glomerular capsule-->proximal convulated tubule-->loop of Henle-->distal convulated tubule-->collecting tubule-->minor calyx-->major calyx-->renal pelvis-->ureter--> bladder-->urethra
Trace a molecule of oxygen from the external nares to the pulmonary capillaries of the lungs.
External nares --> nasal cavity --> pharynx --> larynx --> trachea --> primary bronchus --> secondary/tertiary bronchi --> bronchiole --> respiratory bronchiole --> alveolar duct --> alveolar sac across the alveolar/capillary walls --> Pulmonary capillaries
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