Must be a shade of red, to be considered blood: Shabbat 108a; Niddah 19a
What type of "Red" is considered to be "Red": Niddah 19b
Considering black blood to be blood: Succah 33b; Niddah 19a, 19b, 20a; Keritot 22a
Source for having several shades count as blood, beyond a simple red: Niddah 19a
The list of colors which are [not] considered to be real blood: Niddah 19a-b
A person can't survive with less than a Reviit-Amount of blood: Shabbat 129a; Sotah 5a
Defining the "blood of life [dam hanefesh]," as far as prohibitions against consumption, impurity, enabling food it touches to become impure, and eligibility for zerikat hadam, based on its color and the strength of its flow: Keritot 22a
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
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
Sight is harmed by certain salts which one should wash from his hands after handling food: Eruvin 17b
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
Genitalia and Reproductive Cycles
The structure of female genitalia: Niddah 17b
Origin of the Blood Released in Breaking the Hymen: Ketuvot 5b-6a
Possibility of sexual relations without Breaking the Hymen: Ketuvot 6a-b. 10a
"Durketi" Family, which had minimal blood in the Hymen Area and in Menstruation: Ketuvot 10b
Examination of the hymen via the 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
The power of a female minor to carry a fetus to term and to give birth: Nedarim 35b
The power of a male minor to impregnate a woman: Nedarim 37a
The age at which a child sexually matures: Berachot 24a
The age at which a girl will begin to menstruate: Niddah 5a
Whether there is a link between warmth and the amount of semen which is emitted: Niddah 13a, 43a
Whether it is possible to have multiple ejaculations in rapid sequence: Niddah 13a
Herbs which reduce a man's seed: Eruvin 28a
Relating menstrual and hymenal blood to the sin in the Garden of Eden: Eruvin 100b
Relating the pain of pregnancy and birth to the sin in the Garden of Eden: Eruvin 100b
Exemption of righteous women from the pain of pregnancy and birth: Sotah 12a
The length of time required for sexual relations: Sotah 4a-b
Cooling of the thighs immediately before birth: Sotah 11b
Different birth positions of boys and girls: Sotah 11b
Mating time-of-day, by species, as indicative of when a mother will give birth: Beitzah 7a-b
Hair
Effect of a parent's alcohol consumption, on a child's hairiness: Shabbat 80b
Hands/Arms
Design of Fingers to fit inside Ears: Ketuvot 5a-b
Individual Purpose of each Finger: Ketuvot 5b
Involvement of Clean Hands in protecting the eyes: Shabbat 108b
Kidneys
Kidneys and wisdom: Rosh HaShanah 26a; Rashi Zevachim 9a "l'elyah"
Moles
Shared by people of the same Gil ["Age"]: Bava Metzia 27b
Whether Moles are considered unique: Bava Metzia 27b
Musculature
How much a person can carry, using a pole, on the head or shoulders: Shabbat 92a
Whether a person is considered to be carrying itself, when it is carried: Shabbat 93b-94a
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
Human Resilience and Vulnerability
Life-span depends on Mazal: Moed Katan 28a
Gd gives the righteous their full years [so that their last year ends on their birthday]: Rosh HaShanah 11a
Infants heal faster than older people: Shabbat 134b
Death will naturally result from a fall into a pit of 10 Tefach [Hand-Breadths], but not into a pit of 9 Tefach [Hand-Breadths]: Bava Kama 3a
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
Whether intoxication results from consuming large amounts of alcohol, or from ingesting large gulps: Succah 49b
Intoxication from drinking large quantities of diluted wine: Keritot 13b
Differentiating between drunkenness to the point where one can speak before a king, and one cannot speak before a king: Eruvin 64a
The greater degree of intoxication which comes from Italian wine: Eruvin 64b
The greater degree of intoxication which comes from aged wine: Keritot 13b
Intoxication from drinking honey or milk, or eating a fig cake from Ke'ilah: Yoma 76a-b; Keritot 13b
Menstruation
Whether it is certain that a woman will feel the blood emerge, or not: Niddah 3a, 4b
Assuming that the bleeding will occur at its normal time, once it has established a pattern: Niddah 16a, 64b
Whether the blood can be [inadvertently] held back in the walls of the uterine area: Niddah 3a
The age when menstruation begins: Niddah 5a
Menopause: Niddah 7b
Menstruation, for a pregnant or nursing woman: Niddah 7b
Fear causes menstrual bleeding to disappear: Niddah 9a, 16a
What happens to menstrual blood due to malnutrition: Niddah 9b
What happens to menstrual blood in a pregnant woman: Niddah 9a