Examlex
Match the following with the four events of respiration:
-Inspiration and expiration
Estrus
A phase in the female reproductive cycle of mammals signifying when they are sexually receptive and fertile.
Sexual Receptivity
Refers to the willingness or readiness of an individual, usually within the context of the animal kingdom, to engage in sexual activity, often determined by hormonal cycles.
Sex Hormone
Chemical substances produced by the body that regulate sexual development, reproductive cycles, and sexual behavior, including estrogen, testosterone, and progesterone.
Confounding Variable
An external influence that can affect the results of an experiment by introducing a variable the researchers hadn't considered, which can create a false association between the study's variables.
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