Page 161 - Biology Form Two

Biology for Secondary Schools

Glossary

Active transport body. Free radicals are molecules that
FOR ONLINE READING ONLY
Transport of materials against concentration contain unpaired electrons and can cause
gradient that involves a utilisation of energy harm if their levels become high in the

ATP body
Adenosine Triphosphate. The form in Aorta
which energy is produced and stored during The main artery in the body, carrying
respiration oxygenated blood from the heart to other

Aerobic respiration parts of the body
A type of respiration, whereby oxygen Artery
is used to break down glucose, releasing A thick-walled, muscular, and elastic blood
energy, carbon dioxide, and water vessel that transports blood from the heart
to all parts of the body, except the lungs
Agglutination
Clotting of blood Assimilation
A process by which the body uses up the
Alveolus
Air sac, which is the site of gas exchange absorbed products of digestion
in the lungs Atrium
One of the two upper chambers of the heart
Amino acids
Building blocks of proteins Benedict’s solution
A reagent used to test for the presence of
Anaerobic respiration reducing sugars
A type of respiration that takes place in the
absence of oxygen Bile
A digestive liquid produced by the liver
Anorexia nervosa
An a eating disorder in which a person and stored in the gall bladder for digestion
of fats
intentionally refuses to eat enough food
leading to a severe loss of body mass Biuret test
A test which is used to confirm the presence
Antibody
A protein molecule produced by the body’s of proteins without heating
immune system to fight an antigen Body Mass Index (BMI)
A numerical value calculated from the
Antigen mass and height of a person
A material recognised by the body as foreign
that triggers an immune response Bulimia nervosa
Eating disorder which involves excessive
Antioxidant
Molecules that fight free radicals in the eating followed by efforts to remove food
from the body

Student’s Book - Form Two 155

05/10/2024 15:36:47
BIOLOGY FORM 2 NEW.indd 155 05/10/2024 15:36:47
BIOLOGY FORM 2 NEW.indd 155