Healthy

Fit

Pathogens

Active Immunity

Passive Immunity

Benign Tumour

Malignant Tumour

Placebo

Double Blind Trial

Depressants

Stimulants

Painkillers

Performance Enhancers

Hallucinogens

Retina

Long-Sightedness

Short-Sightedness

Binocular Vision

Synapse

Homeostasis

Type 1 Diabetes

Type 2 Diabetes

Auxins

Phototropic

Geotropic

Gene

Chromosomes

DNA

Gametes

Mutations

Alleles

Homozygous

Heterozygous

Genotype

Phenotype

Dominant Allele

Recessive Allele

Kwashiorkor

Parasite

Vectors