A Manual Calculator First Appeared Around 1200 in China

question 81

True/False

A manual calculator first appeared around 1200 in China.

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Definitions:

Kegel Exercises

Exercises aimed at strengthening the pelvic floor muscles, which support the uterus, bladder, and bowel.

Oral Contraceptives

Birth control pills taken by mouth to prevent ovulation and thereby reduce the risk of pregnancy.

Antibiotics

Medicinal substances used to treat bacterial infections by killing or inhibiting the growth of bacteria.

Analgesics

Medications or substances used to reduce or eliminate pain.