相关实验视频

Updated: Jan 15, 2026

Phenotyping Mouse Pulmonary Function In Vivo with the Lung Diffusing Capacity
07:13

Phenotyping Mouse Pulmonary Function In Vivo with the Lung Diffusing Capacity

Published on: January 6, 2015

11.1K

血红蛋白-O2对鹿鼠呼吸和气体交换的 afinity 的影响

Caroline Holicka, Graham R Scott

    Ecological and evolutionary physiology
    |January 13, 2026
    PubMed
    概括

    鹿小鼠中血红蛋白 (Hb) -O2亲和度的慢性增加并没有显著改变呼吸模式或缺氧呼吸反应. 这些发现表明,Hb-O2亲和力变化对呼吸的下游生理影响有限.

    关键词:
    环境适应环境适应高海拔地区的高海拔地区.这是新生儿新生儿.运输氧气 运输氧气 运输氧气呼吸系统 呼吸系统 呼吸系统

    更多相关视频

    Simplified Whole Body Plethysmography to Characterize Lung Function During Respiratory Melioidosis07:27

    Simplified Whole Body Plethysmography to Characterize Lung Function During Respiratory Melioidosis

    Published on: February 24, 2023

    3.8K
    Supramaximal Intensity Hypoxic Exercise and Vascular Function Assessment in Mice10:00

    Supramaximal Intensity Hypoxic Exercise and Vascular Function Assessment in Mice

    Published on: March 15, 2019

    8.8K

    相关概念视频

    Oxygen Transport in the Blood01:27

    Oxygen Transport in the Blood

    Hemoglobin (Hb) is a crucial molecule in the human body, consisting of four polypeptide chains, each bound to an iron-containing heme group. This unique structure enables hemoglobin to bind to oxygen, with each molecule capable of combining with four molecules of oxygen, leading to rapid and reversible oxygen loading. When fully loaded with oxygen, it is called oxyhemoglobin, while hemoglobin that has released oxygen is called reduced hemoglobin or deoxyhemoglobin. As hemoglobin binds oxygen,...
    6.0K
    Factors Affecting Respiration01:24

    Factors Affecting Respiration

    Respiration is a crucial physiological function involving exchanging oxygen (O2) and carbon dioxide (CO2) between an organism and its environment. Various factors can impact this essential process:
    9.0K
    Respiration and Gaseous Exchange01:20

    Respiration and Gaseous Exchange

    The intricate interplay between the cardiovascular and respiratory systems is crucial for efficiently transporting respiratory gases throughout the body. Let us explore the cardiovascular system's multifaceted functions, emphasizing its pivotal role in gas exchange.
    Respiration involves the exchange of gases, especially oxygen (O2) and carbon dioxide (CO2), between the alveoli and body cells, a process facilitated by blood circulation. As a result, the cardiovascular system, which involves...
    3.0K
    Hemoglobin01:24

    Hemoglobin

    Hemoglobin is a globular protein made up of four subunits. Two of these subunits are alpha chains, and the other two are beta chains. Each subunit contains a molecule of heme, which has an iron atom and can bind to oxygen. When an oxygen molecule binds to one heme group, it changes the shape of hemoglobin, making it easier for the other heme groups to bind oxygen as well.
    When all four heme groups are bound to oxygen, the resulting molecule is called oxyhemoglobin. As a result, arterial blood...
    7.4K
    External and Internal Respiration01:24

    External and Internal Respiration

    External respiration occurs in the lungs, and it is the first step in the journey of oxygen inside the body. When we inhale, oxygen enters our lungs and diffuses across the thin alveolar membrane. The alveoli are tiny, air-filled sacs that provide a vast surface area for gas exchange. Oxygen in the alveoli has a higher partial pressure (105 mmHg) than in the adjacent pulmonary capillaries (40 mmHg), establishing a pressure gradient. As a result, oxygen molecules move from the alveoli into the...
    7.0K
    Gas Exchange and Transport01:20

    Gas Exchange and Transport

    Gas exchange, the intake of molecular oxygen (O2) from the environment and the outflow of carbon dioxide (CO2) into the environment, is necessary for cellular function. Gas exchange during respiration occurs largely via the movement of gas molecules along pressure gradients. Gas travels from areas of higher partial pressure to areas of lower partial pressure. In mammals, gas exchange occurs in the alveoli of the lungs, which are adjacent to capillaries and share a membrane with them.
    76.5K