A. cells because, cells<span> are the most basic building units of life, all living things are composed of </span>cells<span>, and new </span>cells<span> are made from pre-existing </span>cells<span>, which divide into two. A structural or functional unit in a </span>cell<span> that is constructed from several macromolecules bonded together.
Hope this helps you in your question friend !!!^_~!!!</span>
Answer:
To moisten and to protect the airway from stuff like unknown pathogens and infection
Explanation:
The Trachea also known as the windpipe has tons of 'little hairs' called cilia in the epithelium that protect the throat. When someone smokes or breathes in gases it is destroyed and exposes the trachea. But thats another story. :)
Answer: Smooth Muscle
Explanation: Smooth muscle cannot be controlled consciously and thus acts involuntarily.
Answer:
Option-C
Explanation:
The phospholipids are the major constituents of the cell membrane of a cell. The phospholipids contains the glycerol attached to the phosphate group and forms the hydrophilic heads whereas the fatty acid tails from the hydrophobic portion of the membrane.
The hydrophobic head face outwards whereas the tails face inwards. The structure of the membrane as arranged in bi lipid layer form and in such a way that the membrane molecules can move. The other molecules present in the membrane like the proteins can drift in the membrane.
Thus, Option-C is correct.
Answer: Some are green because of the chlorophyll, some chlorophyll breaks dowm when its cold
Explanation:
