| During exercise, the body releases chemicals in the brain that make you feel better. |
| During the French occupation, Bilbaoans were likely to have been exposed to some French culture and influence. |
| During the official performance of the National Anthem of the Russian Federation all attendees are supposed to stand and men take their hats off. |
| During the era of slavery, Southern antiliteracy laws prevented black people from learning to read. |
| During the course of development, GABAergic interneurons contribute to key aspects of the functional maturation of the cortex in different ways. |
| During labor, a woman's cervix will dilate to about 10 centimeters. |
