Normal flora of human bodyMicroorganisms are found everywhere such as in the air, water, soil, plants and animals. Without microbes the life on the earth will become unbalanced, because the microbes play an important role in supporting the cycles of the earth. All of the human beings contains microorganism in their body, which are known as the normal flora of the body. The internal tissues, e.g. blood, brain, muscle, etc in a healthy human bei…

Heart Rate ControlThe heart rate is usually regulated and/or controlled by impulses which are produced by both the sympathetic and the parasympathetic nerves within the Sino-atrial node. The parasympathetic nerve system mainly functions as a calming system and thus functions when the heart is at rest (Zhang, 2009). The vagus nerve as part of this system makes the heart to beat slower when need be. The sympathetic system on the other hand accor…

HistoryThe stem cells that have characteristic features of differentiation into stem cells that can divide further through mitosis and produce more stem cells. They are found in multi-cellular living things. In warm blooded cells, there are two wide sorts of stem cells: embryonic youthful cells, which are isolated from the internal cell mass of blastocysts, and adult stem cells, which are found in various tissues (Izadpanah et al. 2015). Stem …

Specimen Preparation and StainingAnswer: A
Cytoplasm *
Chloroplast *
Nuclear membrane
Nucleolus/ nucleus *
Endoplasmic Reticulum
Ribosome
Golgi bodies
Vacuoles *
Cell 1: Lysosome; Cell 2: Golgi vesicles
Plasma membrane or cell membrane *
Mitochondria
Cell wall *
Answer B
Light Microscope
Electron Microscope
Cell components seen
Cell membrane, Nucleus, Nuclear membrane, Cytoplasm, Vacuoles, Cel…

1a. Clostridium tetani, a bacterium that can infect wounds exposed to soil or dirt is an endospore-forming, rod-shaped bacterium that can cause tetanus1a. Clostridium tetani, a bacterium that can infect wounds exposed to soil or dirt is an endospore-forming, rod shaped bacterium that can cause tetanus. In Mary’s case she had got an open wound when working in her garden and this could have exposed her wound to the soil and also to the bacterium…