Permeability of
animal cells

A series of test tubes with blood and water in them

Action potentials

Cartoon depiction of a neuron

Skeletal muscle

Arm muscle anatomy of a person lifting a dumbbell

Hearing

Diagram of an ear

Touch

Finger extending to touch something

Vision

Diagram of an eye

Cardiac muscle

Beating heart showing the four chambers

Cardiovascular

Person laying on a tilt-table

Gastrointestinal
smooth muscle

Ileum muscle

Respiratory function

A spirometry chart showing a Vital Capacity Movement, with different colours indicating the Inspiratory reserve volume, Tidal volume, Expiratory reserve volume and Residual volume.

Male reproduction

Male reproductive system

Obesity

A cartoon mouse with obesity

Visual cortical processing

Neuron spike trace

Auditory spatial tuning

Neuron spike trace