Biology, 07.04.2020 23:31, marly032205
People who have done a lot of endurance training can have a resting heart rate of 50 beats per minutecompared to the normal resting heart rate of 70-80 beats per minute. This decreased heart rate in trainedindividuals is the partly result of:
A) endorphins released from the brain which have an inhibitory effect on heart rate.
B) parasympathetic activity becoming more active and sympathetic activity becoming less active at rest.
C) decreases in both sympathetic and parasympathetic activity.
D) sympathetic activity becoming more active and parasympathetic activity becoming less active at rest.
E) increases in both sympathetic and parasympathetic activity
Answers: 2
Biology, 22.06.2019 11:00, 1940swannabe
The main ingredient of magma is a pahoehoe. b silca c dissolved gases d obsidian
Answers: 2
Biology, 22.06.2019 22:30, fatimaacarrillo2005
What surprised you about the position of the letter e when you looked at it under the microscope? practice what did the microscope do to the letter e? remember that the letter e was in readable position when place on the microscope stage.
Answers: 1
People who have done a lot of endurance training can have a resting heart rate of 50 beats per minut...
Mathematics, 15.12.2020 18:50