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Gas Exchange Smoking

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Myocardial Infarction

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Blood Grouping

A blood type (also called a blood group) is a classification of blood based on the presence or absence of inherited...

Cerebellum

The cerebellum (Latin for little brain) is a region of the brain that plays an important role in the integration of...

Scientists identify antibodies effective against flu viruses

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Limbic System lecture

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Rabies Vaccine

Rabies vaccine is a vaccine used to control rabies. Rabies can be prevented by vaccination, both in humans and other animals.In...

Monoclonal Antibodies in FLU Treatment

This animation illustrates how directing monoclonal antibodies to the influenza virus prevents a conformational change in the protein that is necessary...

How Flu Vaccine works

FLU shots (flu vaccine) are made-up of dead viral particles of influenza strains. When this fragments are injected individual immune system...

Sperm Transport

There are more than 350 million sperm in a single ejaculate, but only 1 sperm fertilizes an ovum. In the vagina...

Limbic system

Limbic system (or Paleomammalian brain) is a set of brain structures including the hippocampus, amygdala, anterior thalamic nuclei, and limbic cortex,...

Nonspecific Defenses-Interferon

Interferons (IFNs) are natural cell-signaling proteins produced by the cells of the immune system of most vertebrates in response to challenges...

Nonspecific Defenses- Fever

Fever is a frequent medical sign that describes an increase in internal body temperature to levels above normal.Fever is caused by...

Transport of Oxygen

In the lungs, oxygen diffuses from alveolar air into the blood because the venous blood has a lower partial pressure. The...

The Immune Mechanism

Immune mechanism is designed to protect body against invading microorganisms and foreign potentially harmful molecules.There are four types of immune mechanism;...

Continuous Circuit

In an adult's body about ten pints of blood are continuously being pumped by the heart through sixty thousand miles of...

Red Blood Cells

Red blood cells are the most common type of blood cell and the vertebrate body's principal means of delivering oxygen to...

Laser generation of nanoparticles in liquids

An invisible (infrared) pulsed laser beam transmits a liquid (water) and is ablating a solid (gold) releasing stable nanoparticles (positively charged...

Toll-like receptor

Toll-like receptors (TLRs) are a class of proteins that play a key role in the innate immune system. They are single...

Heartbeat

Every single 'beat' of the heart involves five major stages: First, "Late diastole" which is when the semilunar valves close, the...

The Regions of the Brain

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Pituitary Gland

A small oval endocrine gland attached to the base of the vertebrate brain and consisting of an anterior and a posterior...

Actin Polymerization

Actin is the component of the cytoskeletal system that allows movement of cells and cellular processes. It works in conjunction or...

Pyrosequencing

Pyrosequencing is a method of DNA sequencing (determining the order of nucleotides in DNA) based on the "sequencing by synthesis" principle,...

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