Human Body feed
3
The small intestine has three named sections, in order: duodenum, jejunum, and ileum. Together they carry out much of digestion and nutrient absorption, but their positions, secretions, and specialized transport functions are not identical.
300
Babies have more separate skeletal pieces than adults, often described as about 300 bones compared with the usual adult count of 206. The newborn number is approximate because developing bone and cartilage are not always counted the same way.
1 cm
People are usually slightly taller after a night lying down because spinal discs regain fluid when unloaded. Around a centimeter is a useful rough illustration, not a fixed daily change for everyone.