Answer:
2 possible ones
Explanation:
Skin - Due to vasoconstriction and vasodilation
Brain - the hypothalamus regulates temperature
The lymphatic system destroy harmful substances 'By producing antibodies'.
The lymphocytes contained in lymphatic organs are produced with other defence cells by the bone marrow. They are then dispersed to eliminate pathogens.
Answer:
One fertilizes the egg, and the other combines with the two polar nuclei.
Explanation:
Answer:
Yellowstone
Explanation:
<em><u>Yellowstone</u></em><em><u> </u></em><em><u>National</u></em><em><u> </u></em><em><u>Park</u></em><em><u> </u></em> was the first national park established in 1872..
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The two main types of fermentation are alcoholic fermentation and lactic acid fermentation. In an alcoholic fermentation, the main product of this process is ethyl alcohol. Lactic acid on the other hand has lactic acid as its main product. When muscle cells run out of oxygen, lactic acid fermentation would commonly take place.<span> </span>