Answered: Explain the function of the circulatory…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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1. Explain the function of the circulatory system.

2. How does the circulatory system work together with the respiratory system

3. An athlete measures how fast his heart is beating before and immediately after a race. What is likely to observe and why?

4. Why must food be broken down by digestion?

5. Trace the path of food as it moves through the digestive system

6. Explain how the digestive system interacts with the circulatory system.

7.Explain why an astronaut’s digestive system still works, even when “weightless” in space.

Definition Definition Organ system that helps in the digestion of food by mechanical and biochemical processes. The digestive system breaks down food into simpler components that enable the body to then absorb or transport nutrients. The human digestive system includes the gastrointestinal tract or alimentary canal and the associate glands. The organs of the gastrointestinal tract include the mouth, pharynx, esophagus, stomach, small intestine, and large intestine. The associated glands include salivary glands, liver, gallbladder, and pancreas.

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