Asked by Krystle Otero on Sep 25, 2024
Verified
After blood flows through the capillaries, the blood pressure derived from the heart is insufficient to return blood to the heart through the veins.
Capillaries
Capillaries are the smallest blood vessels in the body, responsible for the exchange of oxygen, carbon dioxide, and other nutrients and waste products between the blood and tissues.
- Examine how the body's physiological reactions to alterations in posture influence the pulse rate and blood pressure.
Verified Answer
HP
Haileen Pirirabout 13 hours ago
Final Answer :
True
Explanation :
In the capillaries, blood loses much of the pressure initially generated by the heart. The return of blood to the heart through the veins is aided by the contraction of skeletal muscles and the presence of valves in the veins, not by the pressure from the heart.
Learning Objectives
- Examine how the body's physiological reactions to alterations in posture influence the pulse rate and blood pressure.