Search results for: 'Role of the respiratory system'

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By: HWC, Views: 8037

A hydrogen bond is the electromagnetic attraction between polar molecules in which hydrogen is bound to a larger atom, such as oxygen or nitrogen. This is not a sharing of electrons, as in a covalent bond. Instead, this is an attraction between the positive and negative poles of charged atoms. ...

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Fetal Development of the Cardiovascular System

By: Administrator, Views: 10534

How the heart develops in the uterus.

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Male Pelvis Animation

By: Administrator, Views: 317

The male pelvis is shaped like a funnel, forming a narrower outlet than the female. The bones are generally thick and heavy and more suited for lifting and running.

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Stomach peristalsis & Enterogastric reflex

By: HWC, Views: 7155

• Food enters, distending the stomach. • Stretch receptors activate enteric reflexes that promote peristaltic movements. • These movements, called mixing waves, begin to mix the food with stomach secretions. • Mixing waves force the digesting food (chyme) toward and through the pylo...

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Anaphylaxis Animation

By: Administrator, Views: 10505

Anaphylaxis is a serious, life-threatening allergic reaction. The most common anaphylactic reactions are to foods, insect stings, medications and latex. If you are allergic to a substance, your immune system overreacts to this allergen by releasing chemicals that cause allergy symptoms.

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How does asthma work?And How do you treat asthma?

By: HWC, Views: 6689

These are the parts of the respiratory system. Sinuses and Nasal Passages Mouth Windpipe (Trachea) Lungs Airways (Bronchial Tubes) Airsacs (Alveoli) When we breathe, air moves easily in and out of the lungs. The small airways are also called bronchial tubes. The side of the tube is...

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Introduction to Eating Disorders

By: Administrator, Views: 10626

An eating disorder is a mental disorder defined by abnormal eating habits that negatively affect a person's physical or mental health. They include binge eating disorder where people eat a large amount in a short period of time, anorexia nervosa where people eat very little and thus have a low bo...

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Female Pelvis Animation

By: Administrator, Views: 1424

The female pelvis is shaped like a basin; can be oval to round, and is wider than the male pelvis. Designed to accommodate the average fetus during pregnancy and to facilitate its downward passage through the birth canal during childbirth.

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Hemodynamics Animation

By: Administrator, Views: 11499

Hemodynamics is the dynamics of blood flow. The circulatory system is controlled by homeostatic mechanisms, such as hydraulic circuits are controlled by control systems. Hemodynamic response continuously monitors and adjusts to conditions in the body and its environment.

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