Physical Fitness: Unit 3: QUIZ 1: CARDIOVASCULAR TRAINING
It generally takes ________ before results are seen from cardiovascular exercise.
8-12 weeks
If you exercise for an hour, at least half your time should be spent doing cardiovascular exercise.
True
How does the body increase the amount of oxygen to the muscles during exercise?
by breathing faster
An oxygen deficit occurs _____.
when you start cardiovascular exercise
Which parts of the body are significantly strengthened by cardiovascular exercise?
1. heart 2. blood vessels 3. lungs
Cardiac output is affected by _____.
1. heart rate2. exercise3. stroke volume
What are the benefits of cardiovascular exercise?
1. lower blood pressure2. increased cardiac output3. greater stroke volume
If you score above average on the cardiovascular tests, then you do not need to perform cardiovascular exercise anymore.
False
How are the lungs made healthier during cardiovascular exercise?
The muscles around them are strengthened.
If a person who rarely exercises goes to the doctor's office for a check-up, the doctor will not be surprised to find that the patient has _____.
high blood pressure
An activity is considered cardiovascular exercise if it _____.
lasts ten minutes or longer
Lactic acid is produced mostly during the _______phase.
oxygen deficit
Cardiovascular fitness can be measured by _____.
the step test
Through counting your pulse beats, you can measure how many times _____.
your heart beats in a minute