The endocrine system is a collection of ___________ that secrete ___________ directly into the bloodstream.

Fill in the blank(s) with the appropriate word(s).


1. glands; hormones

Health & Biomechanics

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hydronephrosis : Condition of distension of the renal pelvis due to a(n) ___________of urine

Fill in the missing word in the definition for the key term.

Health & Biomechanics

Your friend Reanna asks you about cancer prevention methods that go beyond lifestyle changes. You inform her about Gardasil and Cervarix, which protect against infection by two high-risk types of human papillomavirus (HPV). What percentage of cervical cancers, worldwide, are associated with those two types of HPV?

a. % b.  60 % c.  80 % d.  70 %

Health & Biomechanics

Contrast strain and sprain

Health & Biomechanics

Substances that cause birth defects are known as:

a. pathogens. b. teratogens. c. carcinogens. d. mutagens.

Health & Biomechanics