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Related Concept Videos

Blood Flow01:29

Blood Flow

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Blood is pumped by the heart into the aorta, the largest artery in the body, and then into increasingly smaller arteries, arterioles, and capillaries. The velocity of blood flow decreases with increased cross-sectional blood vessel area. As blood returns to the heart through venules and veins, its velocity increases. The movement of blood is encouraged by smooth muscle in the vessel walls, the movement of skeletal muscle surrounding the vessels, and one-way valves that prevent backflow.
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Composition of Blood01:22

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The blood in our bodies comprises three major components: blood plasma, formed elements, and the extracellular matrix. Blood plasma is a yellowish fluid that constitutes 55% of the total blood volume. It is primarily made up of water and essential substances such as electrolytes and proteins. Blood plasma serves as a medium for transporting blood cells and also contains nutrients, enzymes, hormones, antibodies, and gases.
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Human blood is classified into different types based on the presence of antigens on the red blood cell's surface and antibodies in the plasma. Proper identification of blood type is essential for successful blood transfusion. The International Society of Blood Transfusion has identified 38 human blood types based on the surface antigens on the red blood cells. The most common types are ABO, Rh, and MNS blood types.
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Drug Delivery: Overview01:16

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The selection of a drug's delivery route depends upon its physicochemical properties, including lipid or water solubility and ionization, as well as the therapeutic requirement, such as immediate or sustained effect. These routes can be divided into three primary categories: enteral, parenteral, and topical.
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At the different levels of the healthcare system, we see varying methods of healthcare used. These methods include managed care systems, case management, and primary healthcare.
Managed Care System:
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Eukaryotic cells use different mechanisms to eliminate toxic waste obsolete and worn-out substances. Lysosomes play a pivotal role in this, and hence, these substances are carried to the lysosome from other parts of the cell and extracellular space through different pathways. The most elaborately studied pathways to the lysosome are the endocytic pathways.
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Related Experiment Video

Updated: Jan 26, 2026

Electroantennography-based Bio-hybrid Odor-detecting Drone using Silkmoth Antennae for Odor Source Localization
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Aerial drones for blood delivery.

Geoffrey Ling1,2, Nicole Draghic2

  • 1Division of Neurosciences Critical Care, Departments of Neurology, Neurosurgery and Anesthesiology-Critical Care Medicine, Johns Hopkins Medical Institutions, Baltimore, Maryland.

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Summary

Aerial drones are revolutionizing healthcare, especially for remote areas. This technology improves medical care through faster lab testing and timely delivery of critical supplies, enhancing patient outcomes.

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Area of Science:

  • Technology and Medicine
  • Aerospace Engineering
  • Public Health

Background:

  • Aerial drone technology has diverse applications beyond healthcare.
  • The expansion of drone use drives technological innovation and cost reduction.
  • Healthcare, particularly in remote or underserved areas, faces challenges in access and efficiency.

Purpose of the Study:

  • To explore the potential of aerial drone technology in enhancing medical care.
  • To identify specific healthcare improvements enabled by drones, such as in blood delivery.
  • To assess how drones can overcome geographical barriers in healthcare delivery.

Main Methods:

  • Review of current and emerging applications of aerial drone technology.
  • Analysis of the impact of drone integration on healthcare logistics.
  • Case study examples of drone use in medical supply delivery and lab testing.

Main Results:

  • Drones significantly decrease lab testing turnaround times.
  • Just-in-time delivery of lifesaving medical supplies and devices is enabled by drones.
  • Routine prescription care costs in rural areas are reduced through drone services.

Conclusions:

  • Aerial drones offer a transformative solution for improving healthcare access and efficiency.
  • The integration of drones in healthcare is particularly beneficial for remote and underserved populations.
  • Continued advancement in drone technology promises further innovations in medical care delivery.