The blood of circumcision is "connected to" the flesh, not merely blocked inside by the skin: Shabbat 133b
Whether menstrual blood is of the same nature/origin as blood of birthing or blood which appears from the genitals during nursing: Niddah 11a-b, 35b-36a
Is there a relationship between menstrual blood and milk production: Bechorot 6b; Niddah 9a
Blood flowing into the heart with one's dying breath: Keritot 22a, and see Rashi there "mishraf sharif"
Ears
Design of Ear for Self-Sealing: Ketuvot 5b
Ears are the Most Easily Burnt Limb: Ketuvot 5b
Eyes
Best medication is cold water, and morning and evening hand-washing: Shabbat 108b
Eye-shadow "Puch" increases proliferation of eye-lashes, and prevents tearing: Shabbat 109a
Taking large steps can damage the eyes: Shabbat 113b, Pesachim 113a
Eye-sight lost in the above-mentioned way is returned at Kiddush: Shabbat 113b
One can cause a dying person's eyes to close by having him inhale alcoholic fumes, putting oil between his eyebrows, and gripping his large toes: Shabbat 151b
Sight is Harmed by tears caused by smoke, bathroom pain, or sorrow: Shabbat 151b-152a
Sight is Aided by tears caused by laughter, sharp foods and medication: Shabbat 152a
The height of one's normal field of vision ends at 20 Cubits: Succah 2a-b; Eruvin 3a
Causes of having small eyes, or eyes that are constantly darting, or large eyes: Ketuvot 60b-61a
Face
A human face is always larger than a hand-breadth: Succah 5a
Feet/Legs
Biological Definition of "Raglayim": Yevamot 103a
Location Considered to be the Shin ("Istiveera"): Yevamot 103a
How far a person is capable of walking, at normal pace, within one day, between dawn and sunrise, and between sunset and the emergence of stars: Pesachim 93b, 94a
General Physiology
The space which the human body generally takes up: Eruvin 48a; Succah 7b, 8a, 16b
The number of "limbs" in the body: Nedarim 32b
The normal ratio and dimensions of the chest: Ketuvot 75a
Genitalia and Reproductive Cycles
The structure of female genitalia: Niddah 17b
Origin of the blood released in breaking the betulim: Ketuvot 5b-6a
Possibility of sexual relations without breaking the betulim: Ketuvot 6a-b, 10a
"Durketi" Family, which had minimal blood in the area of the betulim and during menstruation: Ketuvot 10b
Examination of betulim via a Wine Barrel: Ketuvot 10b
Correlation between Degree of Menstrual Blood and Beauty: Ketuvot 10b; Niddah 8b, 64b
Correlation between Degree of Menstrual Blood and Number of Children: Ketuvot 10b; Niddah 8b, 64b
Correlation between Lack of Menstrual Blood and Malnutrition: Ketuvot 10b
Correlation between wife's willingness for sexual relations and the gender of one's children: Eruvin 100b; Nedarim 20b
Release of a genital discharge due to a change in eating habits: Kiddushin 2b
Loss of fertility because of an extended period without cohabitation?: Ketuvot 62b
The ability of a female minor to carry a fetus to term and to give birth: Nedarim 35b
The ability of a male minor to impregnate a female: Nedarim 37a
The age at which a child sexually matures: Berachot 24a; Ketuvot 39a
Maximum number of olives the throat can hold at one time: Keritot 14a
General Physiological Phenomena
Aging
At what point a woman is considered to be "geriatric": Niddah 9a-b
Infants heal faster than older people: Shabbat 134b
Living to the age of 70 is considered [good] old age: Moed Katan 28a
Living to the age of 80 is considered Strength: Moed Katan 28a
Bloating
Caused by hearing good news, and reversed by feeling upset: Gittin 56b
Body Temperature
Internal heat increasing due to worry: Shabbat 86b
Internal heat increasing due to consumption of insects and crawling creatures: Shabbat 86b, 145b
Crying
The standard pattern of crying: Rosh HaShanah 34a
Excretion
Correlating a woman's position for excretion with the sin in the Garden of Eden: Eruvin 100b
What position a person should use: Eruvin 100b
Learning from the way a mule excretes: Eruvin 100b
Starting to excrete and then halting: Berachot 25a
The way that dates can cause pain in the digestion/excretion process: Taanit 9b
Hearing
How many sounds can be localized and distinguished simultaneously, where the sound is beloved to the listeners and where it isn't: Megillah 21b
Eating - Ingestion / Digestion
People tend to eat pieces of candy [lit. caramelized grain] one after the other, but it takes longer to eat a significant amount of candy than to eat a significant quantity of other foods: Keritot 12b
People automatically can tell when Meal-Time is: Pesachim 12b
A pauper is hungry without knowing it: Megillah 7b
There's always room for sweets: Eruvin 82b; Megillah 7b
People have set times for meals, but drink at any time: Shabbat 118a
Whether wine increases one's appetite or not: Pesachim 107b-108a
One who consumes food after the 6th hour, without having tasted anything in the morning, is throwing a rock into a pitcher: Pesachim 12b
Leaning to one's right while dining can lead to choking, due to the possibility of swallowing food through the windpipe: Pesachim 108a
Parallel between the amount one ingests and the degree of strength he has, as a result: Shabbat 152a
The importance of exercise and excretion before meals: Berachot 23b; Shabbat 82a
