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the respiratory system, which contains the (THIS IS NOT IN ORDER) nasal cavity, mouth, throat, epiglottis, larynx, pharynx, voice box, esophagus, lungs, and the parts inside your lungs.

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Are humans mostly made of of water and fat molecules?

Yes, humans are mostly made up of water molecules which account for about 60% of our body weight. Fat molecules also make up a significant portion of the body, contributing to energy storage and insulation.


A Chewing insect damages the vascular tissue of a plant stem This damage will mostly directly affect the?

The vascular tissue of the plant stem consists of xylem and phloem, which are responsible for transporting water and nutrients throughout the plant. Damage to this tissue by a chewing insect can disrupt the flow of water and nutrients, directly affecting the plant's ability to receive essential resources for growth and development.


Do humans breathe nitrogen as a part of the air they inhale?

No, humans do not breathe in nitrogen as a part of the air they inhale. The air we breathe is mostly made up of oxygen, with a small amount of other gases like nitrogen and carbon dioxide.


Why does bacterial growth depend on moisture?

Bacterial growth depends on moisture because water is necessary for most biological processes to occur, including metabolism and cell division. Without sufficient moisture, bacteria are unable to reproduce and thrive. Moisture also helps transport nutrients and waste in and out of bacterial cells.


Why is the renal portal system absent in humans?

Humans have a hepatic portal system that brings all the venous flow from the digestive system into the liver. Reptiles have a renal portal system, which brings blood from internal organs to their kidneys, mostly because their digestive tract and urinary tract only have the cloaca to eliminate waste from their body. Since humans have separate systems for eliminating waste, the anus and urethra, the human body, like all other mammals, developed a hepatic portal system.