Sperm can live in the female reproductive tract for up to a week, but where exactly are they hanging out? #learnontiktokcontest #todayilearned #anatomy #science #medical

тгк: Глеб Мендель | Биология ЕГЭ | ЕГЭЛЕНД #биология #биологияегэ #химбио #подготовкаегэ

Why has no one cured hiccups yet?

⚠️ Do not self diagnose! ⚠️ although these images are fairly representative, many skin conditions can look similar, and diagnosis often requires examination (sometimes with dermoscopy or even a biopsy). For example, not every dark mole is melanoma, and not every red scaly patch is eczema or psoriasis! If you notice something unusual on your skin seek professional help. #skinhealth #healtheducation #skinconditions

Biosphere 2 history and failures: What everyone got wrong

AD - Why are plants colder than their surroundings?

Ovulation process #biology #ovulation #womenshealth #tiktokgrowthchallenge

Despite its microscopic size, every cell is an incredibly complex biological system. Inside, thousands of chemical reactions take place every second, producing energy, synthesizing proteins, copying DNA, and sustaining life itself. Cells make all forms of life possible. Some become neurons, transmitting electrical signals at remarkable speeds. Others develop into muscle cells, allowing us to move. Others form our skin, bones, blood, and nearly every organ in the human body. Even bacteria, which