Digestive system 2024

What do you think is the function of a villus?

• To absorb nutrients from digested food

• To produce digestive enzymes

• To transport blood throughout the body

• To break down fats into fatty acids

In humans, the small intestine can be over 8 meters (26 feet) long. Why do you think this organ is so long?

• To store large amounts of food

• To increase the surface area for nutrient absorption

• To produce more digestive enzymes

• To support the weight of other organs

Why is it important that the mouth and stomach are near the start of the digestive system?

• They produce bile.

• They absorb nutrients.

• They account for most mechanical digestion.

• They store waste.

Which organ is responsible for the initial breakdown of food in the digestive system?

• Stomach

• Mouth

• Small intestine

• Large intestine

What does the the "Gallbladder" do?

• The organ that stores bile.

• The organ that produces insulin.

• The organ that absorbs water.

• The organ that produces saliva.

Match each structure, chemical, or process to its function.

• Upper section of the small intestine

• Muscular contractions that push food through the digestive system

• Muscular tube connecting the throat and stomach

• Chemical that breaks up large fat droplets

• Organ that produces a variety of digestive enzymes

What are the names of the vessels labeled A and B in the diagram?

• Lymphatic vessel and capillaries

• Arteries and veins

• Blood vessels and lymph nodes

• Capillaries and veins

What do you think is the function of a villus?

• To absorb nutrients in the small intestine

• To produce digestive enzymes

• To break down proteins

• To transport waste materials

In humans, the small intestine can be over 8 meters (26 feet) long. Why do you think this organ is so long?

• To maximize nutrient absorption

• To store food

• To produce digestive enzymes

• To transport waste materials

This is a example of........ 

• organ system
• cells
• organ
• tissue