SCIENCE 6 Q2 WEEKS 3-4 REVIEWER: ORGANS AND SYSTEMS - DIGESTIVE SYSTEMS (SPELLING)

 
SCIENCE 6 Q2 WEEKS 3-4 REVIEWER:  
ORGANS AND SYSTEMS - DIGESTIVE SYSTEMS

SPELLING

1.      ENZYMES- /en-zyme/ any various complex proteins produced by the living cells that bring about or speed up reactions.

Digestive system produced enzymes to break down food that you eat.

2.     EPIGLOTTIS-/epi-glot-tis/ a thin cartilaginous flap that covers the entrance to the larynx during swallowing.

Epiglottis also prevent us from choking.

3.      CILIA -/cil-i-a/ tiny hairlike structure

Cilia are the tiny hair inside your nose.

4.      GALLBLADDER- // a small sac under the liver

During digestion, the gallbladder releases bile into the small intestine.

5.      PANCREAS- // is an elongated organ behind the stomach.

Pancreas secretes substances that help break down protein and fats in the small intestine.

6.      BILE -// substances produced by liver.

The liver produce bile that helps break down fats.

7.      PHARYNX - // the back part of your mouth arch into a tube.

Pharynx acts as passageway for both air and food.

8.      LARYNX - // found at the lower end of the pharynx.

The larynx vibrates and sound is produced.

9.      TRACHEA - // or windpipe is a tube at the bottom of the larynx.

Trachea is lined with mucus that help prevent dust particles and other things from entering the lungs.

10.  NOSTRILS - // the two opening of the nose.

The nostrils lead to the nasal cavity.

11.  ALVEOLI - // grape-like clusters

Exchange of gases take place in the alveoli.

12.  SALIVA – substance released by the salivary glands, moistening the food for easy swallowing.

Saliva helps in the partial break down of the food.

13.  PERISTALSIS- //the rhythmic movement of the muscles by which food and waste product of digestion are forced through parts of the digestive system.

Peristalsis pushes the bolus down to the stomach.

14.  STOMACH- // a large pear-shaped organ that can temporarily expand to store food.

Her stomach is in pain because of too much food she ate.

15.  ESOPHAGUS- /esoph-a-gus/   the tube that leads from the mouth through the throat to the stomach.

The smooth muscles of the esophagus contract in a rhythmic and wavelike motion.



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