Smooth muscle is present throughout the entire tracheobronchial tree. Bronchial smooth muscle tone is regulated by the vagus nerve, which, when stimulated, causes constriction (bronchospasm), and by the sympathetic nervous system, which produces dilation (bronchodilation).
Answer:
Venous blood
Explanation:
Arterial blood is carrying oxygen to tissues.....after delivering the oxygen it is venous blood and has less oxygen.
Environmental scientists study the interactions of living and non-living
components in the environment. Environmental science integrates
physical and biological science to allow for better understanding of
environmental systems and to find solutions to environmental problems.
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When an ammunition malfunction occurs, who is responsible for determining if the ammunition can be moved safely? When unit personnel discover an ammunition malfunction on the training field, who is responsible for calling a cease fire. Who is responsible for generating an automated DA Form 3151-R?