foreskins

"The hikers struggled through the dense of bushes, trying to find a clearer path. "

"Humans share common ancestors with other apes."

"My sister is a female student in her senior year of high school. "

"My father uses a retractable pen for signing documents at work. "

"The bakery sells cake covers separately to keep the frosting fresh. "

"The female clitoral hood is homologous with the foreskin."

"The clitoral stimulation helped her relax after a stressful day at work. "

"By now, you must surely know which is which."

"Condoms are designed to protect against sexually-transmitted diseases."

"The nerves can be seen through the skin."

"A cat is an animal, not a plant. Humans are also animals, under the scientific definition, as we are not plants."

"Even though they have different functions, a bird's wing and a human arm are considered homologous structures because they share a similar bone structure and origin. "