Science - Health and Lifestyle

Question 1

the external opening at the end of the digestive system that is responsible for expelling feces or waste products from the body.

Answer 1

Anus

Question 2

are a diverse group of hydrophobic or amphipathic molecules that play essential roles in biological systems, including energy storage, cellular signaling, and structural components of cell membranes.

Answer 2

Lipids

Question 3

the consumption of different types of food in appropriate proportions to provide the body with all the necessary nutrients and energy for optimal health.

Answer 3

Balanced diet

Question 4

an enzyme that breaks down fats into fatty acids and glycerol.

Answer 4

Lipase

Question 5

are naturally occurring, inorganic substances that have a specific chemical composition and crystal structure.

Answer 5

Mineral

Question 6

an enzyme that breaks down complex carbohydrates into simpler sugars.

Answer 6

Carbohydrase

Question 7

a highly addictive chemical compound found in tobacco products and e-cigarettes that stimulates the central nervous system.

Answer 7

Nicotine

Question 8

organic compounds made up of carbon, hydrogen, and oxygen, and they include sugars, starches, and fibers that are important sources of energy for the body.

Answer 8

Carbohydrate

Question 9

the part of the digestive system that connects the mouth and throat to the stomach, allowing for the passage of food and liquids.

Answer 9

Oesophagus

Question 10

is a colorless, odorless, and highly toxic gas that forms when fuel is not completely burned.

Answer 10

Carbon monoxide

Question 11

an enzyme that breaks down proteins by cleaving peptide bonds.

Answer 11

Protease

Question 12

a substance that increases the rate of a chemical reaction by lowering the activation energy, without being consumed or permanently altered in the process.

Answer 12

Catalyst

Question 13

a macronutrient essential for the growth, repair, and maintenance of tissues in the body.

Answer 13

Protein

Question 14

refers to a lack or insufficiency in quantity, quality, or a required element or nutrient.

Answer 14

Deficiency

Question 15

the final portion of the large intestine that stores solid waste before it is eliminated from the body through the anus.

Answer 15

Rectum

Question 16

the process by which the body breaks down food into smaller components to extract and absorb nutrients.

Answer 16

Digestion

Question 17

the long, narrow tube in the digestive system where most of the digestion and absorption of nutrients occurs.

Answer 17

Small intestine

Question 18

a collection of organs that work together to break down and absorb nutrients from the food we eat.

Answer 18

Digestive system

Question 19

a substance that increases activity and alertness in the brain and central nervous system.

Answer 19

Stimulant

Question 20

a muscular organ located in the upper abdomen that plays a key role in the digestion of food.

Answer 20

Stomach

Question 21

a substance that alters the functioning of the body or mind and is typically used for medical purposes or as a form of recreation.

Answer 21

Drug

Question 22

a black, sticky substance derived from organic materials, used for various purposes such as road surfacing and waterproofing.

Answer 22

Tar

Question 23

is a protein molecule that acts as a catalyst to speed up biochemical reactions in living organisms.

Answer 23

Enzyme

Question 24

an essential organic compound that the body needs in small amounts for normal growth, development, and function.

Answer 24

Vitamin

Question 25

a dietary component found in plants that cannot be digested by the human body and helps regulate digestion and promote a healthy gut.

Answer 25

Fibre

Question 26

a scientific analysis conducted to determine the presence or absence of specific compounds or nutrients in a food sample.

Answer 26

Food test

Question 27

refers to the physical and/or psychological effects experienced when a person discontinues or reduces their use of a substance or behavior that they have developed a dependence on.

Answer 27

Withdrawal symptom

Question 28

is the final section of the digestive system, responsible for absorbing water, electrolytes, and other beneficial substances from undigested food and forming and eliminating feces.

Answer 28

The large intestine