Mouth And Teeth
Stomach & Digestion
Organs & Secretions
Small & Large Intestine
Nutrition & Nutrients
100

This structure attaches the tongue to the floor of the mouth.

What is the lingual frenulum?

100

The semi-liquid mixture produced in the stomach.

What is chyme?

100

This organ produces bile.

What is the liver?

100

Finger-like projections that increase surface area for absorption.

What are villi?

100

These nutrients provide the body with the most concentrated energy source.

What are lipids (fats)?

200

These teeth are specialized for cutting food.

What are incisors?

200

These cells in the stomach release hydrochloric acid.

What are parietal cells?

200

The primary digestive function of bile salts.

What is fat emulsification?

200

The lymphatic capillary inside a villus.

What is a lacteal?

200

This vitamin is essential for collagen production and iron absorption.

What is vitamin C?

300

The hardest substance in the human body covering the crown of a tooth.

What is enamel?

300

This inactive enzyme is converted into pepsin.

What is pepsinogen?

300

This pancreatic enzyme digests triglycerides.

What is pancreatic lipase?

300

The first section of the small intestine.

What is the duodenum?

300

The lipoproteins known for removing cholesterol from tissues.

What are HDLs?

400

This muscular action begins mechanical digestion in the mouth.

What is mastication (chewing)?

400

The muscular ring controlling food movement from the stomach into the small intestine.


What is the pyloric sphincter?

400

These liver cells perform phagocytosis.

What are Kupffer cells?

400

These bands of longitudinal muscle create pouch-like haustra in the large intestine.

What are teniae coli?

400

The process in the liver that removes amino groups from amino acids.

What is deamination?

500

These glands produce a thick, stringy mucus-rich saliva and are located beneath the tongue.

What are the sublingual glands?

500

This hormone released from gastric glands increases stomach secretions.


What is gastrin?

500

This hormone stimulates gallbladder contraction and pancreatic enzyme release.

What is cholecystokinin (CCK)?

500

The reflex responsible for triggering bowel movements.

What is the defecation reflex?

500

These nutrients cannot be synthesized by the body and must come from food.

What are essential nutrients?