ISBN-13: 9781433336775 / Angielski / Miękka / 2012 / 32 str.
ISBN-13: 9781433336775 / Angielski / Miękka / 2012 / 32 str.
Think about biting into a sandwich. You chew and swallow. What happens next? How does the food get broken down? How are the nutrients absorbed by your body? Discover the journey that your food takes through your amazing digestive system!