Humans have 90 to 150 eyelashes on the upper lid and 70 to 80 eyelashes on the lower lid of each eye. Eyelashes on the upper lid are longer than those on the lower lid and grow up to 10 millimeters in length. More »

The human eye’s upper eyelids contain approximately 70 to 150 eyelashes each, and the lower eyelids contain between 60 and 80 eyelashes. Eyelashes form in layers of three to five on both sets of eyelids. More »

Hair mites can cause a variety of skin conditions in humans, ranging from rosacea to blepharitis, reports DermNet NZ. Dust mites, on the other hand, are major indoor triggers for individuals suffering from allergies and ... More »

In humans, common examples of inherited traits include hair, skin and eye color, hair type, finger and toe length, dimples, freckles, body type, height, hand dominance, ear shape, mathematical aptitude and susceptibility... More »

Some examples of physical traits in humans are eye color, hair color, earlobe attachment, dimples and the shape of a person's face. The determination of these traits in an individual is based on the person's genetic make... More » Science Biology

Humans breathe approximately 432 liters of oxygen per day, and that oxygen helps the tissues in the human body function properly. The body needs approximately 352.8 liters of oxygen per day when the body is at rest. More »

Humans can survive in a rainforest provided there is reasonable access to food, water and shelter, and appropriate measures are taken to address and avoid dangers. Tropical rainforests are typically found along the Inter... More »