Human Digestive System Science Kit for Kids - Switched on kids

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Human Digestive System
Human Digestive System
Human Digestive System

Human Digestive System

SKU: SOKHNDGS01

$39.95

or 4 fortnightly payments of $9.99 with Afterpay More info

Human digestive system:-Discover the journey that your food takes through the digestive system. Walk the path carefully with your wand without triggering the buzzer. Learn while having fun.

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Description

Human digestive system :-Discover the journey that your food takes through the digestive system. Walk the path carefully with your wand without triggering the buzzer. Learn while having fun. Contains 1 base (19 cm x 11 cm), 1 wand, 2 terminal caps, 1 battery compartment cover, 1 screw, 2 card templates, 4 plastic pegs, and detailed instruction. Also required but not included: one 1.5V AAA battery and a small crosshead screwdriver.

Your digestive system breaks down the food you eat into nutrients such as carbohydrates, fats and proteins. They can then be absorbed into your bloodstream so your body can use them for energy, growth and repair. Unused materials are discarded as faeces (or stools).

The digestive system is made up of the digestive tract and other organs that help the body break down and absorb food.

Human digestive system : Your digestive tract is a long, twisting tube that starts at your mouth, and then involves your oesophagus, stomach, small intestine, large intestine and anus. Other organs that form part of the digestive system are the pancreas, liver and gallbladder.

Each organ of the digestive system has an important role in digestion.

Mouth:-When you eat, your teeth chew food into very small pieces. Glands in your cheeks and under your tongue produce saliva that coats the food, making it easier to be chewed and swallowed.

Saliva also contains enzymes that start the digestion of the carbohydrates in your food.

Oesophagus:-Your oesophagus is the muscular tube that carries food from your mouth to your stomach after you swallow. A ring of muscle at the end of the oesophagus relaxes to let food into your stomach and contracts to prevent stomach contents from escaping back up the oesophagus.

Stomach:-Your stomach wall produces gastric juice (hydrochloric acid and enzymes) that digests proteins. The stomach acts like a concrete mixer, churning and mixing food with gastric juice to form chyme — a thick, soupy liquid.

Small intestine:-Bile from your gall bladder and enzymes in digestive juices from your pancreas empty into the upper section of your small intestine and help to break down protein into amino acids and fat into fatty acids. These smaller particles, along with sugars, vitamins and minerals, are absorbed into the bloodstream through the wall of your small intestine. It is called small because it is about 3.5cm in diameter but it is about 5m long to provide lots of area for absorption. Most of the chemical digestion of proteins, fats and carbohydrates is completed in your small intestine.

Large intestine and anus:-The lining of your large intestine absorbs water, mineral salts and vitamins. Undigested fibre is mixed with mucus and bacteria — which partly break down the fibre — to nourish the cells of the large intestine wall and so help keep your large intestine healthy. Faeces are formed and stored in the last part of the large intestine (the rectum) before being passed out of the body through the anus.

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