Morphine mimics natural pain killers called _____

Fill in the blank(s) with correct word


endorphins

Biology & Microbiology

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Which two structures of the human digestive tract can be classified as endocrine glands since they

produce hormones?

a. liver and gallbladder b. liver and pancreas c. liver and small intestine d. pancreas and small intestine e. pancreas and stomach

Biology & Microbiology

Counting the number of individuals in __________ is

a way to estimate the density of a population in a specified area. Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Autoimmunity is a(n):

a. automatic response to an antigen. b. failure of self cell recognition. c. reaction to environmental antigens. d. normal response to infection. e. response between the autonomic nervous system and the immune system.

Biology & Microbiology

Photosynthesis occurs in _______.

a. plants b. bacteria c. protists d. all of these

Biology & Microbiology