A homogeneous mixture has the same uniform appearance and composition throughout. Many homogeneous mixtures are commonly referred to as solutions. A heterogeneous mixtureconsists of visibly different substances or phases. The three phases or states of matter are gas, liquid, and solid.
The Respiratory zone includes the alveoli, while the conducting zone includes the trachea.
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What is the function of the trachea?</h3>
Your windpipe, or trachea, is a component of your airway system. Your lungs get oxygen-rich air through channels called airways. Additionally, they transport carbon dioxide, a waste gas, from your lungs. Air enters your body through your nose, passes through your larynx, and then descends through your windpipe. Or, to put it another way, the trachea is a little tube that joins the larynx to the lungs' bronchi. It's also referred to as a "windpipe." The windpipe is packed with mucus to trap microorganisms since it is vulnerable to many illnesses when air is inhaled through this pipe.
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Answer:
Without food humans cant live so we cant imagine the world without food. As food is the source of energy .
Answer:
Reduces heat lost to the water
Explanation:
In some birds such as the geese, to reduce the amount of energy cost when regulation their temperature, some morphological and behavioural has been used to maintain the rate of heat gain and loss. For uninsulated parts of the birds's body such as the legs, there is the presence to countercurrent head exchange between wherein the arteries and veins in the legs lie in close contact with each other in other to retain heat as these uninstalled regions are potential areas of heat loss since they are uninsulated unlike insulated parts (parts covered with feathers). Constriction of the arteries and veins will ensure blood flow to the feet of the geese at a low temperature.
A solid will maintain it's shape with or without a container
