Help with high school homework on child development.

Describe in 400 to 500 words the physical and psychological development of a child including:-
brain & nervous system,
heart,
head,
chest and lungs,
abdomen,
neck and airway,
musculoskeletal system,
emotions,
communication,
comprehension.

This is for my school homework that I am struggling with. I am 13 years old in Year 9 so please make it age appropriate and send me links with references in Harvard style. No AI otherwise my parents get called into school. Total word count is no more than 500 (not 500 for each).

Let me know what your best offer is. Time scale 2-3 days.