__________ secrete hormones into blood. Fill in the blank(s) with the appropriate word(s)
Endocrine glands
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Only Gram-positive bacteria produce exotoxins
Indicate whether this statement is true or false.
Which of the following are decomposers?
A) mushrooms B) mites C) millipedes D) all of the above
In Alzheimer’s disease , neurons that secrete which neurotransmitter are particularly affected?
a. epinephrine b. dopamine c. serotonin d. acetylcholine e. GABA
In the textbook, the stomach was given as an example of an organ. Which of the following is a valid description of the work of one of its tissues?
A) Its epithelial tissue secretes substances that help with digestion. B) Its muscle tissue forces secretions out of glands and into the stomach. C) Its connective tissue helps drain the stomach contents. D) Its nervous tissue communicates directly with the intestines to coordinate digestion.