Biology, 20.04.2020 17:10, adreyan3479
Jimmy is running laps during his physical education class. As he is running, he starts to breathe harder as
his body tries to get more oxygen. Which of the following best explains why Jimmy's oxygen requirement
increases?
A. His cells use oxygen as their primary source of energy.
B. His cells need oxygen to help break down sugars for energy.
C. His cells need oxygen to increase the levels of sugars in the blood.
D. His cells use oxygen to transport substances across their cell membranes.
Answers: 2
Biology, 22.06.2019 02:30, mahaypatto
{answer found. it's (3 ) }which statement describes the cell cycle? (1)the cell cycle is a process in which one cell divides into four genetically different cells. (2)the cell cycle is a process in which one cell divides into two genetically different cells. (3)the cell cycle is a process in which one cell divides into two genetically identical cells. (4)the cell cycle is a process in which one cell divides into four genetically identical cells.
Answers: 1
Biology, 22.06.2019 03:00, julionavedo21
The term equestrian relates to which animal? bulls cows horses pigs
Answers: 2
Biology, 22.06.2019 06:40, ethanmel21
The steps in the formation of extrusive igneous rocks are listed below in an incorrect order: 1. rock melts due to high temperature. 2. rock is buried deep under earth's surface. 3. magma is forced out of earth's surface during volcanic eruption. 4. lava cools and crystallizes to igneous rock. which of these best shows the correct order of steps in the formation of extrusive igneous rocks? 1, 3, 4, 2 2, 1, 3, 4 3, 4, 2, 1 4, 2, 1, 3
Answers: 3
Jimmy is running laps during his physical education class. As he is running, he starts to breathe ha...
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