Arthropods, like spiders and lobster, don't have blood like mammals do; instead, they have

hemoglobin
hematoma
lymph
hemolymph

So according to above explanation

 D.hemolymph, Is the correct answer

a researcher conducts an experiment on the secretion of a particular hormone in mice. scientists inject mice with a substance that stimulates the production of the hormone. the scientists then test the levels of hormones produced by the mice. the tool used to measure the hormones consistently detects the levels at 10 points lower than the actual hormone levels in the mice. this tool makes measurements, but the measurements aren't .

explanation:

no u

where are there choices to this question?