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Chemical Messengers Animation

By: Administrator, Views: 12956

Three types of chemical messengers.

Virtual Tour of the Heart

By: Administrator, Views: 12099

Everything you need to know about your heart

Neuron Type Animation

By: Administrator, Views: 12363

Interneurons: - Are called central or associative neurons. - Located entirely within the central nervous system. - They function to mediate impulses between sensory and motor neurons.

Inflammatory response Animation

By: HWC, Views: 5861

Any tissue damage or bacterial invasion can bring about inflammation. The inflammatory response can be triggered by an invasion of bacteria, or by a cut or other physical damage to cells. Chemicals, such as histamine, released by the bacteria or damaged cells. accumulate in the tissue. Thes...

Lung Sounds Animation (4 of 5)

By: Administrator, Views: 341

Respiratory rate is regulated by the respiratory center located in the medulla oblongata. Respiratory rates for some different age groups: Newborn 30 – 80/min 1st year 20 – 40/min 5th year 20 – 25/min 15th year 15 – 20/min Adult 12 – 20/min

Lung Sounds Animation (3 of 5)

By: Administrator, Views: 380

Respiratory rate is regulated by the respiratory center located in the medulla oblongata. Respiratory rates for some different age groups: Newborn 30 – 80/min 1st year 20 – 40/min 5th year 20 – 25/min 15th year 15 – 20/min Adult 12 – 20/min

Inflammation and Fever

By: HWC, Views: 9817

• Inflammation is an immune response that can occur anywhere in the body, but is observed most frequently on the skin. • It provides early protection by preventing infection from spreading to other parts of the body. • Inflammation also promotes repair of damaged tissues. Inflammat...

Immune responses Animation

By: HWC, Views: 6192

Overview of interactions in antibody-mediated and cell-mediated immunity Animation The antibody mediated immune response begins when a naive B cell encounters antigens from a pathogen, such as a bacterium. The B cell binds, processes, and displays this antigen. It is now an antigen-presenti...

Labor and Childbirth - The Three Stages of Labor: Dilation, Expulsion & Placental مراحل الولادة

By: HWC, Views: 9763

Regulation of labor and birth - effects of estrogen and oxytocin on onset of labor • Just prior to birth, high placental corticotropin-releasing hormone levels stimulate the production of more estrogen. • High estrogen levels overcome the inhibitory effects of progesterone on uterine sm...