No. It is a liquid substance not a living creature that has the characteristics of life. Yes, it may have bacteria or other living creatures that thrive in water but they are their own separate form of life.
<span>very acidic ph - stomach
mucociliary escalator - intestines
cerumen and sebum - ear
lysozyme - tears and saliva
keratin and tightly packed cells - skin
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The correct answer is "mucociliary escalator intestines".
The mucociliary escalator is a mechanism that belongs to the bronchi, not the intestines. The mucociliary escalator is a mechanism of self-clearing where cilium, cilia and mucus work together to expel any material that's solid, or not too fluid or gaseous, including pathogens. From the main bronchi to the alveoli there is a moist lining produced by the specific present epithelium. This epithelium presents cilia. The cilia are embedded in mucus. The mucus is what helps in trapping any material that's solid, or not too fluid or gaseous, including pathogens. After these are trapped so that they don't progress to the alveoli, the cilia move in such a way that push the particles again to the exterior of the bronchi, like an escalator.
Answer:
See description
Explanation:
Because temperature tends to be the dominant factor influencing seawater density, the depth range and base of both the pycnocline and thermocline often tend to be similar. Therefore, below the pycnocline or thermocline, temperature and salinity are relatively constant.
Because every cell have some life span after this they become older and damage, so cells divide to replace old and damage cells.
<span>Social sciences would help a group of environmental scientists wants to study the impact of population growth on the environment. Social sciences cover issues such as human geography, political science, anthropology, demography, and psychology as well as other things. </span>
