Supplying Energy to the Digestive System

Which part of the digestive system is number 1?

• esophagus

• mouth

• small intestine

• liver

What is the process of wave-like muscle contractions that moves food through the digestive tract?

• Pericardium

• Peristalsis

• Pepsin

• Pericoronitis

What is the main function of villi?

• They move food from the stomach to the small intestine

• They absorb nutrients into the bloodstream

• They absorb water from chyme

• They move food from the small intestine to the large intestine

Where does digestion begin?

• in the stomach

• in the mouth

• in the esophagus

• in the small intestine

Tags

NGSS.MS-LS1-7

What are these structures call that are found on the lining of the small intestine?

• Gallbladder

• Villi

• Sphincter

• Duodenum

The process in which your body breaks down food into nutrient molecules is...

• absorption

• digestion

• respiration

• differentiation

What is the primary source of energy for the human digestive system?

• Carbohydrates

• Proteins

• Fats

• Vitamins

Which organ is responsible for the majority of nutrient absorption in the digestive system?

• Stomach

• Small intestine

• Large intestine

• Esophagus

What is the role of enzymes in the digestive system?

• To absorb nutrients

• To break down food into smaller molecules

• To transport nutrients

• To store energy

Tags

NGSS.MS-LS1-7

Which of the following is a real-world application of understanding the digestive system's energy supply?

• Designing better athletic training programs

• Improving solar panel efficiency

• Developing new computer algorithms

• Enhancing battery life in electronics

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-7