By week 26, {{ PRONOUN_BABY }} is testing out {{ PRONOUN_HIS_HER_LOWER }} lungs by inhaling and exhaling amniotic fluid, which is a crucial part of development. {{ PRONOUN_BABY }} will also start practicing opening {{ PRONOUN_HIS_HER_LOWER }} eyes and might respond with a punch if you shine a flashlight onto your belly.
![](https://assets.oviahealth.com/wp-content/uploads/2023/12/article_109212_week-26_s_640_533.jpg)