The two toxic substances combine in a highly exothermic reaction to form table salt.
Penicillin is the most widely recognised antibiotic. Antibiotics kill or inhibit the growth and synthesis of bacteria. Penicillin is produced as a metabolite of a certain species of Penicillium mould which is grown on an agar-agar substance.
The pulse is the rhythmic expansion of the arteries caused by the outflow of blood from the heart when it contracts.