orgasm meaning in biology
orgasm meaning in biology In biology, an orgasm is the peak physiological state of intense sexual excitement and gratification followed by a release of sexual tension and relaxation of the body's muscles. Here's a breakdown of the physiological changes that happen during an orgasm: Increased blood flow to the genitals: This causes the genitals to become more engorged and sensitive. Increased heart rate and blood pressure: This is similar to the physiological response during exercise. Muscle contractions: The pelvic floor muscles contract rhythmically, which can be felt in the vagina, rectum, and abdomen. In males, this is accompanied by contractions that expel semen (ejaculation). Release of hormones: Orgasm triggers the release of hormones like endorphins, oxytocin, and dopamine. Endorphins are natural painkillers that contribute to the feelings of pleasure and relaxation associated with orgasm. Oxytocin, sometimes called the "cuddle hormone," promotes fe...