Digestive System Practice

What is the average amount of food humans eat per day?

• 1-2.7 kilograms

• 3-4.7 kilograms

• 0.5-1.5 kilograms

• 2-3.5 kilograms

What is the main function of the digestive system?

• Filtering waste products

• Producing hormones

• Breaking down food into nutrients and energy

• Transporting oxygen

What is the function of bile in the digestive process?

• Dissolving fats

• Breaking down proteins

• Producing glucose

• Absorbing nutrients

Where does the final deconstruction of proteins and carbohydrates occur?

• Esophagus

• Duodenum

• Small intestine's lower regions

• Stomach

What is the purpose of the tiny projections called villi in the small intestine?

• To break down fats

• To transport nutrients to the liver

• To produce digestive juices

• To maximize molecule absorption

What is the function of the large intestine in the digestive process?

• Breaking down proteins

• Producing bile

• Draining out remaining fluid

• Absorbing nutrients

What is the soft mass called after most of the remaining fluid is drained out in the large intestine?

• Saliva

• Chyme

• Bolus

• Stool

Where do the byproducts of digestion exit the body?

• Mouth

• Esophagus

• Rectum

• Stomach

Label the parts of the digestive system

a

b

c

d

e

f

g

h

i

j

Large Intestine

Mouth

Stomach

Liver

Rectum/Anus

Small Intestine

Gall Bladder

Appendix

Esophagus

Pancreas

Organize these options into the right categories

Groups:

(a) Chemical Digestion

,

(b) Mechanical Digestion

,

(c) No Digestion

• Churning

• Bile

• Physically breaking food

• Breaks chemical bonds in food

• Mixing

• Saliva

• Gastric Juice

• Chewing

• Liver/Gall Bladder

• Teeth

• Tearing/Ripping Food

• Stomach

• Enzymes

• Large Intestine

• Stomach Acid

• Pancreas

• Esophagus