Which of the following best summarizes the function of the respiratory system?
a. to transpor...
Biology, 01.09.2019 09:30 sandersmakaylaovq5vu
Which of the following best summarizes the function of the respiratory system?
a. to transport oxygen to cells and wastes away from cells.
b. to protect the organs in the chest cavity
c. to move oxygen from the air into the body and carbon dioxide from the body into the air
d. to provide a barrier between the body and the environment
c** which of the following is not true about the structure of an alveolus?
a. it has thick walls to trap gases that enter during breathing.
b. it has high surface area to allow lots of gas exchange.
c. it has a high concentration of oxygen and a low concentration of carbon dioxide.
a**
Answers: 2
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Hydrilla (hydrilla verticillata) is an invasive aquatic plant and one of the most serious aquatic pests in florida. hydrilla has already been introduced to hundreds of bodies of water throughout florida, hydrilla is difficult to control because it grows rapidly and survives in many different water depths and conditions. hydrilla • describe how hydrilla affects native plant and animal species. include both a biotic and an abiotic limiting factor. • suggest one biotic and one abiotic recommendation that could slow the spread of hydrilla
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