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Pre-ejaculate (also known as pre-ejaculatory fluid, pre-seminal fluid or Cowper's fluid, and colloquially as pre-cum) is a clear, colorless, viscous fluid that is emitted from the urethra of the penis during sexual arousal and in general during sexual activity. It is similar in composition to semen but has distinct chemical differences.
Made up of olfactory receptors and glands, the epithelium is used as a tool to smell others' body odour and pheromones. [10] Chemicals that produce odour pass through the olfactory epithelium to the olfactory bulbs , which contain biological receptors that detect the chemicals, and respond with an electrical signal transmitted to the brain by ...
Wearing fresh and clean clothes is also very important especially if you sweat a lot. Trimethylaminuria (TMAU), also known as fish odor syndrome or fish malodor syndrome, is a rare metabolic disorder where trimethylamine is released in the person's sweat, urine, and breath, giving off a strong fishy odor or strong body odor.
Unlike the hemoglobin in red blood cells found in vertebrates, hemocyanins are not confined in blood cells, but are instead suspended directly in the hemolymph. Oxygenation causes a color change between the colorless Cu(I) deoxygenated form and the blue Cu(II) oxygenated form. [1]
Up until now, you've probably lived your life under the guise that that liquid was just au naturel cow blood.. Well, we're here to tell you that you've been misled. The mysterious red juice is ...
[13] [21] The thick coat and large head suggest a larger animal than the muskox truly is; the bison, to which the muskox is often compared, can weigh up to twice as much. [22] However, heavy zoo-kept specimens have weighed up to 650 kg (1,430 lb). [7] Their coat, a mix of black, gray and brown, includes long guard hairs that almost reach the ...
Among men who have anal sex with other men, the partner who inserts his penis may be referred to as the top, the one being penetrated may be referred to as the bottom, and those who enjoy either role may be referred to as versatile. [7] When MSM engage in anal sex without using a condom, this is referred to as bareback sex. Pleasure, pain, or ...
But when you sneeze, you expel air and change up that flow, forcing odorous particles in your nose or throat upward to the olfactory nerve high in the nasal cavity, which transmits information ...