Page 18 - CHAPTER 1 DIGESTION SYSTEM (2).pptx (Ebook Cover)
P. 18
CHAPTER 1
1.1 Digestion System
3) ESOPHAGUS
A muscular tube that connects the
throat (pharynx) and the stomach
(esophagus). 25 cm in length, 2 cm in
diameter.
When you swallow, the food moves
down your esophagus. A muscular
gate called lower esophageal
sphincter open to let the food move
into your stomach.
40% 4) STOMACH
20%
30%
The stomach is a muscular organ
found on the left side of the upper
abdomen.
At first, food travels quickly through
your digestive systems. Within 6 –
8 hours, the food has moved its
way through your stomach, small
intestine and large intestine.
NUTRITION AND HEALTH 2023
Chapter 1 & 2 10
