The human species has survived to this point in time by creating a relatively healthy and safe environment by what two methods?
• Adapting biologically through the evolution of the immune system that provides, to some extent, built-in resistance to diseases and sensitivities to allergens.
• Developing technologically by modifying both the natural environment and our biological response to threats in the environment.
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Which type of viral hepatitis is an uncommon rare strain of hepatitis?
A. Hepatitis A B. Hepatitis B C. Hepatitis C D. Hepatitis D
Fracture of a bone's growth plate is:
a. unique to childhood. b. unique to adulthood. c. usually heal without permanent deformity. d. both a and c.
The muscle in the eyelid called the ________ is responsible for blinking and squinting.
Fill in the blank(s) with the appropriate word(s).
Hemoglobin is a molecule that attaches to ___________ and carries oxygen.
A. monocytes B. erythrocytes C. leukocytes D. thrombocytes