Campbell Biology - With Access (Looseleaf) (Custom)
10th Edition
ISBN: 9781269590068
Author: Reece
Publisher: PEARSON
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Chapter 42, Problem 4TYU
When you hold your breath, which of the following blood gas changes first leads to the urge to breathe?
- (A) rising O2
- (B) falling O2
- (C) rising CO2
- (D) falling CO2
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When you hold your breath, which of the following blood gaschanges first leads to the urge to breathe?(A) rising O2(B) falling O2(C) rising CO2(D) falling CO2
Chapter 42 Solutions
Campbell Biology - With Access (Looseleaf) (Custom)
Ch. 42.1 - Prob. 1CCCh. 42.1 - Three-chambered hearts with incomplete septa were...Ch. 42.1 - Prob. 3CCCh. 42.2 - Explain why blood has a higher 02 concentration in...Ch. 42.2 - Prob. 2CCCh. 42.2 - Prob. 3CCCh. 42.3 - Prob. 1CCCh. 42.3 - Prob. 2CCCh. 42.3 - Prob. 3CCCh. 42.4 - Explain why a physician might order a white cell...
Ch. 42.4 - Prob. 2CCCh. 42.4 - Prob. 3CCCh. 42.4 - Prob. 4CCCh. 42.4 - Prob. 5CCCh. 42.5 - Why is an internal location for gas exchange...Ch. 42.5 - Prob. 2CCCh. 42.5 - MAKE CONNECTIONS Describe similarities in the...Ch. 42.6 - Prob. 1CCCh. 42.6 - Prob. 2CCCh. 42.6 - Prob. 3CCCh. 42.7 - Prob. 1CCCh. 42.7 - How does the Bohr shift help deliver O2 to very...Ch. 42.7 - Prob. 3CCCh. 42 - How does the flow of a fluid in a closed...Ch. 42 - Prob. 42.2CRCh. 42 - Prob. 42.3CRCh. 42 - Prob. 42.4CRCh. 42 - Prob. 42.5CRCh. 42 - How does air in the lungs differ from the fresh...Ch. 42 - How are the roles of a respiratory pigment and an...Ch. 42 - Prob. 1TYUCh. 42 - Blood returning to the mammalian heart in a...Ch. 42 - Prob. 3TYUCh. 42 - When you hold your breath, which of the following...Ch. 42 - Prob. 5TYUCh. 42 - Prob. 6TYUCh. 42 - Prob. 7TYUCh. 42 - DRAW IT Plot blood pressure against time for one...Ch. 42 - EVOLUTION CONNECTION One opponent of the movie...Ch. 42 - Prob. 10TYUCh. 42 - Prob. 11TYUCh. 42 - WRITE ABOUT A THEME: INTERACTIONS Some athletes...Ch. 42 - Prob. 13TYU
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- How does the body know how to regulate oxygen going in and carbon dioxide going out?arrow_forwardHow do you regulate the amount of oxygen that enters and the amount of carbon dioxide that leaves your body? Which direction are gases moving in the partial pressure gradient, and why are they doing so?arrow_forwardHow Does Gas Exchange Occur in the Human Respiratory System?arrow_forward
- Why is it dangerous for a swimmer to hyperventilate in order to hold the breath for a longer period of time?arrow_forwardIf the volume of breath of a person is 450mL, how much of it is actively participating in the exchange of O2 and CO2?arrow_forwardYou measure Mr. Johnson's respiration rate of breathing as 16 breaths in 30 seconds. What would you record as his respiratory rate( total breaths per minute)?arrow_forward
- What is the difference between respiration and breathing?arrow_forwardDescribe the pathway by which a change in arterial H1 concentration independent of altered carbon dioxide influences ventilation. What is the adaptive value of this reflex?arrow_forwardAfter running to catch a bus, Josh noticed that his heart was beating faster than normally and was pounding forcefully in his chest. How did his increased HR and SV come about?arrow_forward
- After a person hypoventilates (such as by holding their breath), what can be detected on a molecular level? A. Increase in carbon dioxide is detected by both central and peripheral chemoreceptors. B. Decrease in oxygen is detected by both ventral and peripheral chemoreceptors. C. Decrease in carbon dioxide is detected by both central and peripheral chemoreceptors.arrow_forwardHow is contraction of the inspiratory muscles a crucial point?arrow_forwardYou watch a live individual respiring (that is, obtaining oxygen from its environment). What observation would tell you if the animal has lungs or not? In the case it does have lungs, how would you determine if it uses positive or negative pressure breathing? And how then would you determine if it has one-way air flow or tidal air flow?arrow_forward
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Respiratory System; Author: Amoeba Sisters;https://www.youtube.com/watch?v=v_j-LD2YEqg;License: Standard youtube license