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Neurons are cells specialised for transmitting electric signals.
neuron, nervous tissue, nerve fibre, dendrite, axon, synapse, stimulus, signal, action potential, resting potential, impulse conduction, basic nervous function, Nissl bodies, glial cell, telodendron, terminal bouton, human, biology
The central nervous system consists of the brain and the spinal cord, the peripheral nervous system consists of nerves and ganglia.
Neurons transmit electrical signals via chemical and electrical synapses.
The main parts of the human brain are the brain stem, the cerebellum, the diencephalon, and the cerebrum, which is divided into lobes.
The main parts of the human brain are the brain stem, the cerebellum, the diencephalon, and the cerebrum.
The spinal cord is the part of the central nervous system running inside the spinal column from which spinal nerves branch out.
Producing speech requires the synchronised operation of several cortical centres.
The skin is the soft outer covering of our body, its three layers are the epidermis, the dermis and the hypodermis.
This animation presents levels of biological organisation from the level of the individual organism to the level of cells.
The limbic system plays an important role in forming emotions and in learning.
The reflex triggered by the stretching of the thigh extensor muscle is the patellar reflex.
Human blood consists of blood cells and plasma.
This animation demonstrates the internal structure of the brain.
The withdrawal reflex is a spinal reflex that ensures moving away from potentially damaging stimuli.
Connective tissues include loose and dense connective tissues, adipose tissue, blood, tendon and bone tissue.
The three types of muscle found in the human body are the smooth, the striated and the cardiac muscle.
Surface epithelia cover the external and internal surfaces of the body.