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Biology is the study of living organisms, divided into many specialized fields that cover their morphology, physiology, anatomy, behaviour, origin, and distribution.
Branches of biology are different topics related to biology; for example the 3 major branches of biology are:
- Botany, also called plant science, plant biology or phytology, is the science of plant life and a branch of biology. A botanist, plant scientist or phytologist is a scientist who specialises in this field
- Zoology is the branch of biology that studies the animal kingdom, including the structure, embryology, evolution, classification, habits, and distribution of all animals, both living and extinct, and how they interact with their ecosystems.
- Microbiology is the study of microorganisms, those being unicellular, multicellular, or acellular. Microbiology encompasses numerous sub-disciplines including virology, parasitology, mycology and bacteriology.
Stress is an inevitable part of life. If stress is just in small doses, it can be of help yet if it would be big already affecting one's physical and mental function then it becomes dangerous. Having too much stress can give negative feelings such as anger and depression leading then to be at risk of having health problems such as headaches, high blood pressure, heart problems,stroke and sometimes death which then Sammy can have since he is experiencing a lot of stress at his job.
