BIO BEYOND UNIT 8: A CHANGE OF HEART | YOUR
SHORTCUT TO SUCCESS | TRUSTED, TESTED, AND
TRUE!
To learn more about how your body manages physically demanding tasks, select a
physical activity that you would most likely find yourself doing. - Answer: Walking to
school or work
Now imagine you are knee-deep in that activity. You have exerted yourself for almost an
hour. How would this make you feel?
(Select all that apply) - Answer: Sweaty
Tired
Heart Rate beating fast
Predict what you think is going on inside your body during vigorous exercise? (Select all
that apply) - Answer: All
But how does blood rich in oxygen and glucose reach the muscle cells that need them?
- Answer: Systemic Circulation
Place the dot on the correct location. - Answer: left ventricle
Based on the evidence on the right, do you think there is a relationship between cardiac
output and intense physical activity? - Answer: Yes, as physical activity gets more
intense, cardiac output increases
Exercise typically increases the demand for oxygen by cells. How would a decrease in
cardiac output affect one's exercise capacity? - Answer: Oxygen delivery would
decrease and the ability to do rigorous exercise would decline
1
APPHIA - Crafted with Care and Precision for Academic Excellence.
SHORTCUT TO SUCCESS | TRUSTED, TESTED, AND
TRUE!
To learn more about how your body manages physically demanding tasks, select a
physical activity that you would most likely find yourself doing. - Answer: Walking to
school or work
Now imagine you are knee-deep in that activity. You have exerted yourself for almost an
hour. How would this make you feel?
(Select all that apply) - Answer: Sweaty
Tired
Heart Rate beating fast
Predict what you think is going on inside your body during vigorous exercise? (Select all
that apply) - Answer: All
But how does blood rich in oxygen and glucose reach the muscle cells that need them?
- Answer: Systemic Circulation
Place the dot on the correct location. - Answer: left ventricle
Based on the evidence on the right, do you think there is a relationship between cardiac
output and intense physical activity? - Answer: Yes, as physical activity gets more
intense, cardiac output increases
Exercise typically increases the demand for oxygen by cells. How would a decrease in
cardiac output affect one's exercise capacity? - Answer: Oxygen delivery would
decrease and the ability to do rigorous exercise would decline
1
APPHIA - Crafted with Care and Precision for Academic Excellence.
