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Here are the endocrine glands that regulate sexual activity in males: 1) the hypophysis (aka. the pituitary); 2) the adrenal glands; 3) the gonad...
In short, translation is the synthesis of proteins by ribosomes in the cell. It follows after the process of transcription in which a molecule of mRNA is copied from DNA to produce a specific base sequenc...
Excitation from SAN (sino-atrial node) spreads across atria, causing them to contract first. The excitation is conducted to the AV (atri...
- An electrical impulse travels down the axon of a pre-synaptic neurone. - The movement of this electrical impulse initiates the release of chemical messengers which are...
The transmission of an action potential- the signal- from one neurone to another occurs over the synapse. The structure of a synapse is as follows; there is a presynaptic bulb, a post synaptic bulb and th...
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