Dysmenorrhea refers to pain or discomfort during menses.
a. true
b. false

True

Explanation:

Dysmenorrhea can be define as a condition in which pain occurs during menstrual cramps, that is due to uterine contractions.

Primary dysmenorrhea can be define as commonly occurring menstrual cramps. The secondary dysmenorrhea results from a disorder and pain in the reproductive organs.

i think its control and coordinate because im pretty sure thats what tissue does and the joints are what control movement and then your skeletal/ bones provides portection. hope that .

substitution is the answer in this case