Vitamins

Vitamin K

Infographic showing vitamin B12 digestion from the stomach through the duodenum to terminal ileum absorption.

Vitamin B12

Popular

Diagram illustrating human egg fertilisation, from sperm contacting and fusing with an oocyte to formation of a diploid zygote.
Pregnancy

Conception

by Suzannah Fleming

Diagram of a platelet cross-section labeled with microtubules, dense tubules, surface-connected tubules, coat, glycogen, mitochondria, alpha granules, and dense granules.
Haematology

Platelets

by Tanzeelah Jamadar

Diagram showing immunity divided into innate and adaptive immunity; adaptive immunity branches into natural passive and active, and artificial passive and active forms.
Immune Responses

Types of Immunity

by Nada Alfahad