Digestive System

Question 1

What are the two parts the digestive system can be divided into?

Answer 1

1. Nutrition
2. Digestion

Question 2

What are the two parts of nutrition?

Answer 2

1. Ingestion
2. Digestion

Question 3

What is ingestion?

Answer 3

• The process of taking food into the digestive system so that it may be digested and absorbed

Question 4

What is digestion?

Answer 4

• The break down of food (chemically or mechanically) into pieces your cells can use

Question 5

What are autotrophs?

Answer 5

• They can make their own food, such as plants

Question 6

What are heterotrophs?

Answer 6

• They cannot make their own food, such as humans

Question 7

What are micronutrients?

List 3 things.

Answer 7

1. Vitamins and minerals
2. Needed in small amounts for your body to function normally
3. Can be absorbed without digestion

Question 8

What are macronutrients?

Answer 8

• Proteins
• Fats
• Carbohydrates
• Needed in large amounts
• Require digestion

Question 9

What are carbohydrates?

Answer 9

• They are sugars and starches

Question 10

What percentage of enegery should carbohydrates provide to the body?

Answer 10

• They should make up 50%

Question 11

What are carbohydrates a source of?

Answer 11

• They are a major source of energy

Question 12

What foods can carbohydrates be found in?

Answer 12

• They can be found in fresh fruits, vegetables, and whole grains

Question 13

What is fiber?

Answer 13

• Fiber is a type of carbohydrates
• They cannot be digested

Question 14

What do fibers stimulate?

Answer 14

• It stimulates the muscles of the intestines

Question 15

What does a high fiber intake diet do to the body?

Answer 15

• It has been shown to reduce risks of colon and rectal cancers

Question 16

What muscles does fiber exercise?

Answer 16

• It exercises muscles of the digestive tract

Question 17

How many grams of fiber should an adult human consume a day?

Answer 17

• They should consume 25 grams a day

Question 18

What are proteins?

Answer 18

• They are the building blocks of cells and tissues in living things

Question 19

Why are proteins needed?

Answer 19

• They are needed to help repair cells and make new ones

Question 20

What do proteins help with?

Answer 20

• They help chemical reactions take place in the body
• More specifically, enzymes help with chemical reactions

Question 21

What are sources of fat?

Answer 21

• Sources are meat, seafood, nuts, oils, dairy, and eggs

Question 22

Why are fats good?

List four things.

Answer 22

• They are good because they store energy, help absorb vitamins, protect organs, and keep us warm

Question 23

Why are fats bad?

Answer 23

1. They can cause high cholesterol, leading to heart disease
2. They cause obesity, leading to other health problems

Question 24

Why are sugars considered “empty calories”?

Answer 24

• They are considered that because they provide energy and no other nutrients

Question 25

What problems can sugar cause?

Answer 25

1. Obesity
2. Heart disease
3. Diabetes
4. Cancer

Question 26

What must nutrition labels include?

List four things.

Answer 26

1. The serving size
2. Calories
3. % of daily value
4. 13 core nutrients

Question 27

What is a calorie?

Answer 27

• It is a unit that measures the energy potention of food

Question 28

What vitamins are stored in fats?

Answer 28

A,D,E, and K.

Question 29

How can the calorie count of a product be determined?

Answer 29

By burning it.

Question 30

What physical characteristics have an effect on nutrition?

Answer 30

Age, gender, height, weight, metabolism, physical activity.

Question 31

How many calories should the average teenager get a day?

Answer 31

Around 2,300 calories.

Question 32

How many blueberries equals 25 grams of fiber?

Answer 32

7 cups.

Question 33

How many peanuts equals 25 grams of fiber?

Answer 33

2 cups.

Question 34

How many bananas equals 25 grams of fiber?

Answer 34

8 bananas.

Question 35

How many bananas equals 25 grams of fiber?

Answer 35

8 bananas.