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When the diaphragm contracts,it pulls the base of the ribs together,forcing air out of the lungs.
Preschool Boys
Young male children, typically aged 3 to 5 years old, who are in the developmental stage before attending kindergarten.
Empathy
The ability to understand and share the feelings of another person from their point of view.
Firstborn Children
Refers to the first child born into a family, who may experience unique psychological and social dynamics, often attributed to their role and birth order within the family.
Later-Born Children
Siblings born after the first child, who may experience different parental treatment, resources, and expectations compared to their older siblings.
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