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- https://bio.libretexts.org/Courses/Skyline_College/BIOL_130%3A_Human_Biology/10%3A_Respiratory_System/10.03%3A_BreathingThe swimmer in this photo is doing the butterfly stroke. This swimming style requires the swimmer to carefully control his breathing so it is coordinated with his swimming movements. Breathing is the ...The swimmer in this photo is doing the butterfly stroke. This swimming style requires the swimmer to carefully control his breathing so it is coordinated with his swimming movements. Breathing is the process of moving air into and out of the lungs, which are the organs in which gas exchange takes place between the atmosphere and the body. Breathing is also called ventilation, and it is one of two parts of the life-sustaining process of respiration, the other part being gas exchange.
- https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/Biology_(Kimball)/15%3A_The_Anatomy_and_Physiology_of_Animals/15.03%3A_Circulatory_Systems/15.3K%3A_Animal_Circulatory_SystemsThis page outlines the components and challenges of efficient circulatory systems, highlighting the differences across species. It notes that fish have less efficient systems due to pressure loss in g...This page outlines the components and challenges of efficient circulatory systems, highlighting the differences across species. It notes that fish have less efficient systems due to pressure loss in gills, while squids use separate pumps. Amphibians possess three-chambered hearts with some blood mixing, whereas lizards have a muscular septum to enhance separation.
- https://bio.libretexts.org/Courses/Minnesota_State_Community_and_Technical_College/Biology_of_Human_Concerns_(Daniels)/06%3A_Respiratory_System/6.03%3A_BreathingThe swimmer in this photo is doing the butterfly stroke. This swimming style requires the swimmer to carefully control his breathing so it is coordinated with his swimming movements. Breathing is the ...The swimmer in this photo is doing the butterfly stroke. This swimming style requires the swimmer to carefully control his breathing so it is coordinated with his swimming movements. Breathing is the process of moving air into and out of the lungs, which are the organs in which gas exchange takes place between the atmosphere and the body. Breathing is also called ventilation, and it is one of two parts of the life-sustaining process of respiration, the other part being gas exchange.
- https://bio.libretexts.org/Courses/Butte_College/BC%3A_BIOL_2_-_Introduction_to_Human_Biology_(Grewal)/Text/16%3A_Respiratory_System/16.4%3A_Gas_ExchangeBelly up to the bar and get your favorite — oxygen? That’s right; in some cities you can get a shot of pure oxygen, with or without your choice of added flavors. Bar patrons inhale oxygen through a pl...Belly up to the bar and get your favorite — oxygen? That’s right; in some cities you can get a shot of pure oxygen, with or without your choice of added flavors. Bar patrons inhale oxygen through a plastic tube inserted into their nostrils, paying up to a dollar per minute to inhale the pure gas. Proponents of the practice claim that breathing in extra oxygen will remove toxins from the body, strengthen the immune system, enhance concentration and alertness, increase energy, and even cure cancer
- https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/Biology_(Kimball)/16%3A_The_Anatomy_and_Physiology_of_Plants/16.01%3A_Plant_Anatomy/16.1.04%3A_The_LeafThis page describes the leaf structure, highlighting its layers: the upper epidermis, which reduces water loss, and the palisade layer for photosynthesis; the spongy layer for sugar storage and gas ex...This page describes the leaf structure, highlighting its layers: the upper epidermis, which reduces water loss, and the palisade layer for photosynthesis; the spongy layer for sugar storage and gas exchange; and the lower epidermis with stomata regulated by guard cells. It also outlines the role of leaf veins, which contain xylem and phloem for water and nutrient supply, and the protective sclerenchyma cells around them, facilitating photosynthesis and food transport.
- https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/Biology_102_Laboratory_Manual%3A_Biology_of_Plants_and_Animals_(Ray_and_Jones)/01%3A_Chapters/1.10%3A_Chapter_10This page outlines a lab where students engage with plant diversity and anatomy, specifically focusing on angiosperms. Students will learn about key structures like roots, stems, leaves, and plant tis...This page outlines a lab where students engage with plant diversity and anatomy, specifically focusing on angiosperms. Students will learn about key structures like roots, stems, leaves, and plant tissues (xylem, phloem), and distinguish between monocots and eudicots. They will explore leaf anatomy, gas exchange, and photosynthesis, alongside hands-on activities at various stations.
- https://bio.libretexts.org/Courses/Canada_College/Human_Biology_Biol_011_Textbook/14%3A_Respiratory_System/14.03%3A_BreathingThe swimmer in this photo is doing the butterfly stroke. This swimming style requires the swimmer to carefully control his breathing so it is coordinated with his swimming movements. Breathing is the ...The swimmer in this photo is doing the butterfly stroke. This swimming style requires the swimmer to carefully control his breathing so it is coordinated with his swimming movements. Breathing is the process of moving air into and out of the lungs, which are the organs in which gas exchange takes place between the atmosphere and the body. Breathing is also called ventilation, and it is one of two parts of the life-sustaining process of respiration, the other part being gas exchange.
- https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/Biology_(Kimball)/16%3A_The_Anatomy_and_Physiology_of_PlantsThis page details plant biology, focusing on anatomy (tissues, roots, stems, leaves), physiology (xylem, phloem, transpiration, gas exchange), and reproduction (alternation of generations, life cycles...This page details plant biology, focusing on anatomy (tissues, roots, stems, leaves), physiology (xylem, phloem, transpiration, gas exchange), and reproduction (alternation of generations, life cycles, asexual reproduction, self-incompatibility). It also covers plant development, including growth, germination, and flowering, as well as the functions of hormones like auxin and gibberellins.
- https://bio.libretexts.org/Courses/Community_College_of_Vermont/Human_Biology_(Gabor_Gyurkovics)/09%3A_Respiratory_System/9.03%3A_BreathingThe swimmer in this photo is doing the butterfly stroke. This swimming style requires the swimmer to carefully control his breathing so it is coordinated with his swimming movements. Breathing is the ...The swimmer in this photo is doing the butterfly stroke. This swimming style requires the swimmer to carefully control his breathing so it is coordinated with his swimming movements. Breathing is the process of moving air into and out of the lungs, which are the organs in which gas exchange takes place between the atmosphere and the body. Breathing is also called ventilation, and it is one of two parts of the life-sustaining process of respiration, the other part being gas exchange.
- https://bio.libretexts.org/Courses/Clackamas_Community_College/Clackamas_Biology_112_OER_Textbook_(OpenStax)/12%3A_Animal_Organ_Systems/12.01%3A_Respiratory_System/12.1.02%3A_BreathingThe swimmer in this photo is doing the butterfly stroke. This swimming style requires the swimmer to carefully control his breathing so it is coordinated with his swimming movements. Breathing is the ...The swimmer in this photo is doing the butterfly stroke. This swimming style requires the swimmer to carefully control his breathing so it is coordinated with his swimming movements. Breathing is the process of moving air into and out of the lungs, which are the organs in which gas exchange takes place between the atmosphere and the body. Breathing is also called ventilation, and it is one of two parts of the life-sustaining process of respiration, the other part being gas exchange.
- https://bio.libretexts.org/Courses/Manchester_Community_College_(MCC)/BIOL_106%3A_Essentials_of_Anatomy_and_Physiology_(Anzalone)/11%3A_The_Respiratory_System/11.03%3A_BreathingThe swimmer in this photo is doing the butterfly stroke. This swimming style requires the swimmer to carefully control his breathing so it is coordinated with his swimming movements. Breathing is the ...The swimmer in this photo is doing the butterfly stroke. This swimming style requires the swimmer to carefully control his breathing so it is coordinated with his swimming movements. Breathing is the process of moving air into and out of the lungs, which are the organs in which gas exchange takes place between the atmosphere and the body. Breathing is also called ventilation, and it is one of two parts of the life-sustaining process of respiration, the other part being gas exchange.
