Page 3-80 Homeostasis and Selected Body Systems (1.5 points) (comprehension) Fil
ID: 256252 • Letter: P
Question
Page 3-80 Homeostasis and Selected Body Systems (1.5 points) (comprehension) Fill in the blanks OR cirele the correct choice to get an accurate sequence of blood sugar regulation in the body. 11. You wake up in the morning. You haven't eaten since dinner last evening and you don't have time for breakfast. Your blood sugar levels are higher/ lower /correctly aligned with the body's normal set point. 12. As you shower and get dressed for school, the pancreas releases the hormone into the bloodstream. (an organ). 13· The hormone mentioned in question #12 travels to the 14. This stabilizes blood sugar levels because when it receives the hormone, the organ will release from storage into the blood. 1s. When you arrive at school, you grab a candy bar from the machine to eat before lecture. This causes the sugar level in your blood to increase above the normal set point. The pancreas responds by releasing the hormone which travels to the and causes it to fix the problem by absorbing the excess sugar. (comprehension) Fill in the blank with the letter of the correct choice. A. INCREASE B. DECREASE C. STAY THE SAME When a person smokes cigarettes, the action of the cilia in the respiratory tract will As your leg muscles contract, the amount of blood returning to your right atrium will As the blood travels through the inferior vena cava into the right atrium, the amount of CO2 16. 18 present in the blood will As blood travels from the aorta, through arterioles, and then into the capillaries of the kidney, the rate of blood flow willExplanation / Answer
11. lower.
12. glucagon.
13. liver.
14. glucose.
15. insulin, liver.
The above can be answered on the basis of action of insulin and glucagon in the control of blood sugar levels in the body. Decrease in blood sugar levels triggers the pancreas to secrete glucagon which in turn stimulate liver, muscle and fat cells to convert stored glycogen into glucose. When the blood sugar levels are high pancreas secrete insulin which causes the liver, muscles and fat cells to draw out glucose from the body and help restore the blood sugar levels.
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