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Flashcards in Systems Working Together Deck (19):
1

Cellular respiration

Cellular respiration: the chemical reaction involving oxygen that moves the energy in glucose into the compound ATP. The body is able to use the energy contained in ATP.

2

Glucose

Glucose: a simple carbohydrate and the simplest form of sugar

3

Carbon dioxide:

a gas in the air produced by respiration and used by plants as part of photosynthesis. The burning of fossil fuels releases carbon dioxide.

4

Respiratory system:

Respiratory system: the body system involving the lungs and associated structures, which take in air and supply the blood with oxygen to deliver to the body’s cells so they can carry out their essential functions; it also performs gas exchange to remove the waste gas carbon dioxide

5

Oxygen

Oxygen: a gas in the air (and water) that animals need to breathe; made up of particles with two oxygen atoms. Plants produce oxygen as part of photosynthesis.

6

Trachea:

Trachea: narrow tube from the mouth to the lungs through which air moves

7

Bronchi:

Bronchi: the narrow tubes through which air passes from the trachea to the smaller bronchioles and alveoli in the respiratory system. Singular = bronchus.

8

Bronchioles:

Bronchioles: small branching tubes in the lungs leading from the two larger bronchi to the alveoli

9

Alveoli:

Alveoli: tiny air sacs in the lungs at the ends of the narrowest tubes. Oxygen moves from alveoli into the surrounding blood vessels, in exchange for carbon dioxide.

10

Carbohydrates

Carbohydrates: organic substances, such as sugars and starch, that are made up of carbon, hydrogen and oxygen and contain useful chemical energy

11

Lipids

Lipids: type of nutrient that includes fats and oils

12

Proteins

Proteins: chemical made up of amino acids needed for the growth and repair of the cells in living things

13

Vitamins

Vitamins: organic nutrients required in small amounts. They include vitamins A, B, C, D and K.

14

Minerals

Minerals: any of the inorganic elements that are essential to the functioning of the human body and are obtained from foods

15

Endocrine system

Endocrine system: the body system of glands that produce and secrete hormones into the bloodstream in order to regulate processes in various organs

16

Nervous system

Nervous system: the system of nerves and nerve centres in an animal in which messages are sent as an electrical and then a chemical impulse. It comprises the central nervous system and the peripheral nervous system

17

Vitamin deficiency disease

A disease caused by not eating enough vitamins

18

Dehydrated

Dehydrated: state in which too much water has been lost from the body

19

Constipation

Constipation: a condition of the bowels, caused by lack of dietary fibre, in which solid wastes cannot easily leave