Answer;
C. high blood pressure
Explanation;
The ‘fight or flight’ is the body’s natural defense system which automatically triggers when there is a real or perceived threat.
The sympathetic nervous system is the part of the nervous system prepares the body to take action when a threat is perceived.
During fight or flight” the body responds by making the heart beat faster and constricting blood vessels to get more blood to the core of the body instead of the extremities.
"Gas bladders" and lungs are similar organs, although they serve different functions.
Both of them develop from a location in the upper throat i.e. the pharynx and are used to manipulate gases. They both contain a good blood supply.
However, the lung is used for breathing and is often found in land vertebrates, while on the other hand, the gas or swim bladder is used in the regulation of buoyancy and the latter is found in all other bony fishes e.g. perch.
Perch use the swim bladder to control their buoyancy by filling it with oxygen from their gills using a gland, which is known as a gas gland. This expands the bladder, thereby pushing the fish toward the surface of the water.
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Answer:
The atomic nucleus is the small, dense region consisting of protons and neutrons at the center of an atom
Explanation:
Answer:
During telophase nuclear membrane is formed, nucleolus appears and astral rays disappear.
During telophase, the effects of prophase and prometaphase - the nuclear membrane and nucleolus disintegrating are reversed. Two daughter nuclei form in each daughter cell, and phosphatases dephosphorylate the nuclear lamins at the ends of the cell, forming nuclear envelopes around each nucleus.
