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Import of Dietary Glucose from Intestines to Bloodstream

By: HWC, Views: 7155

• Membranes have hydrophobic interiors. which resist the passage of hydrophilic compounds and ions. • However. transporter membrane proteins facilitate the passage of these molecules. • Passive transporters accelerate diffusion of molecules towards equilibrium (decrease a concentrat...

Inflammation Animation

By: Administrator, Views: 10712

Inflammation is caused by a number of physical reactions triggered by the immune system in response to a physical injury or an infection. Inflammation does not necessarily mean that there is an infection, but an infection can cause inflammation.

Knee Animation

By: Administrator, Views: 11035

With a sudden meniscus tear, a pop may be heard or felt in the knee. After the initial injury, pain, swelling, and tightness may increase over the next few days. The most common knee injury is the torn meniscus. Although a torn meniscus can happen to anyone, this injury occurs most often to athle...

Summation - defined, spatial, temporal & AP generation or not

By: HWC, Views: 7661

If several presynaptic end bulbs release their neurotransmitter at about the same time, the combined effect may generate a nerve impulse due to summation Summation may be spatial or temporal • A typical neuron may have thousands of synapses. A corresponding number of postsynaptic membrane ...

Trunk Movement Animation

By: Administrator, Views: 517

Muscles responsible for trunk and abdominal movement.

Exocytosis - secretion

By: HWC, Views: 7760

Exocytosis is another method of vesicular transport that moves large volumes Of fluid or chemicals out of the cell. It is a process by which a cell transports secretory products through the cytoplasm to the plasma membrane. A examples of cellular secretory products: 1. Secreted protein - enzym...

Hand Opposition Animation

By: Administrator, Views: 273

Opposition is a composite of the following two motions: Rotation of the thumb into pronation so that the pulp fingers of the thumb and index fingers face one another. Abduction or lifting of the thumb away from the palm of the hand (palmar abduction).

Factors that increase metabolic rate and heat production

By: HWC, Views: 7777

• All vital biochemical reactions are temperature dependent. • The overall rate at which metabolic reactions use energy is known as the metabolic rate. • Metabolic rate greatly determines body temperatures. • Temperature is maintained by balancing the loss of heat to the environment...

Bone processes - resorption and deposition, remodeling and response to stress in adult bones

By: HWC, Views: 7934

• The process of remodeling bone tissues involves bone cells resorbing or depositing minerals into bone tissue. • During resorption, bone cells break down bone tissue and release calcium and other minerals for use by other cells in the body. • Bone cells also rebuild bone tissue by depo...