A. A faster resting heart rate
B. A decrease in the number of capillaries
C. An increased use of the lactic acid energy system
D. An increase in the stroke volume of the heart
2007-02-16 21:27:58 · 6 answers · asked by Anonymous in Education & Reference ➔ Homework Help
aerobic exercise an increase in the volum of the heart , but in first min first use lactic acid system after 5min shift to aerobic system and start rotation kerebs.
2007-02-16 23:01:27 · answer #1 · answered by aidin_asbaghi 1 · 1⤊ 0⤋
D. An increase in the stroke volume of the heart
Each beat of the heart would pump a greater volume of blood when you are in good aerobic shape.
2007-02-17 05:33:04 · answer #2 · answered by Northstar 7 · 1⤊ 0⤋
D. Your heart becomes more efficient at pumping blood the more you exercise.
2007-02-17 06:16:08 · answer #3 · answered by nicewknd 5 · 1⤊ 0⤋
D - The heart can pump more efficiently so it doesn't need to work as hard
2007-02-17 05:43:01 · answer #4 · answered by homer28b 5 · 1⤊ 0⤋
d
2007-02-17 10:26:08 · answer #5 · answered by NHL92 2 · 1⤊ 0⤋
A
2007-02-17 05:36:02 · answer #6 · answered by FreeHuGs 4 · 0⤊ 1⤋