Let your arm hang limply by your side again until the veins become very visible, then slowly raise that arm in front of you while keeping it relaxed. As you move your arm, watch the location where you saw your veins. What happens to your veins as your arm reaches the height of your heart? Why do you think this happens? Let your arm hang limply by your side again until the veins become very visible. Flex your arm muscles four times in quick succession and relax again. What did you notice about your veins right after you contracted these muscles? Why do you think this happened?
Let your arm hang limply by your side again until the veins become very visible, then slowly raise that arm in front of you while keeping it relaxed. As you move your arm, watch the location where you saw your veins. What happens to your veins as your arm reaches the height of your heart? Why do you think this happens? Let your arm hang limply by your side again until the veins become very visible. Flex your arm muscles four times in quick succession and relax again. What did you notice about your veins right after you contracted these muscles? Why do you think this happened?
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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Let your arm hang limply by your side again until the veins become very visible, then slowly raise that arm in front of you while keeping it relaxed. As you move your arm, watch the location where you saw your veins.
What happens to your veins as your arm reaches the height of your heart? Why do you think this happens?
Let your arm hang limply by your side again until the veins become very visible. Flex your arm muscles four times in quick succession and relax again.
What did you notice about your veins right after you contracted these muscles? Why do you think this happened?
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