Register Jquery Javascript files

REGISTER JQUERY JAVASCRIPT FILES
<?php
function load_my_scripts(){
 wp_register_script('jquery', get_template_directory_uri().'/jquery.min.js');
 wp_register_script('my_lightbox', get_template_directory_uri().'/js/lightbox.js', array('jquery'));
 wp_register_script('my_gallery', get_template_directory_uri().'/js/gallery.js', array('jquery'));

 wp_enqueue_script('my_lightbox');
 wp_enqueue_script('my_custom');
}
add_action('wp_enqueue_scripts','load_my_scripts');
?>