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Effect of the environment on coat color in the Himalayan rabbit Animation

By: HWC, Views: 3304

An organism's phenotype—the combination of traits that we observe—is the product of interactions between its genotype and the environment. For example. a Himalayan rabbit is completely white at birth. But within weeks, the fur on the rabbits ears, nose, tail. and lower legs darkens. The...

Elbow Flexion Animation

By: Administrator, Views: 575

Normal starting position for elbow flexion is with the subject supine with the shoulder positioned in 0 degrees of flexion, extension and abduction with the arm close to the side of the body

Hemodynamics Animation

By: Administrator, Views: 11525

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.

Neuron structure and function - sensory neurons, association neurons & motor neurons

By: HWC, Views: 7718

• The primary function of the nervous system is to provide rapid communication within the body to maintain homeostasis. • This function underlies behaviors, thinking and control of organ functions. • The basic functions of the nervous system are provided by: • Sensory neurons • ...

Alternative Energy Sources

By: HWC, Views: 2017

Points at which organic compounds enter the reaction stages of aerobic respiration. Complex carbohydrates are broken down into simple sugars, such as glucose. They become the substrates for glycolysis. If your body doesn't need to burn glucose for energy, glucose-6-phosphate can be co...

Definition of heart rate

By: HWC, Views: 7913

• Heart rate is determined by the rate of depolarizations of the sinoatrial (SA) node. • Cardiac output is directly proportional to heart rate, the greater the heart rate the greater the cardiac output. • Changes in heart rate are associated with exercise, stress or injury. Nervous ...

Interview with an Anorexic Woman (Part 1 of 2)

By: Administrator, Views: 10948

Anorexia is a psychological disorder that affects an individual’s relationship with food and causes an unrealistic view of one’s body image. It affects both men and women of all ages but is more prevalent in women, with 0.3 – 1.0% of all women being affected. The age of onset tends to be mi...

Interview with an Anorexic Woman (Part 2 of 2)

By: Administrator, Views: 10918

Anorexia is a psychological disorder that affects an individual’s relationship with food and causes an unrealistic view of one’s body image. It affects both men and women of all ages but is more prevalent in women, with 0.3 – 1.0% of all women being affected. The age of onset tends to be mi...

System organization - PPM system types (Somatic, Autonomic & Enteric) and Reflex arc types

By: HWC, Views: 7904

• The PNS consists of all nervous tissue outside of the CNS. • It is divided into three functional components: • Somatic nervous system (SNS) • Autonomic nervous system (ANS) • Enteric nervous system (ENS) • The SNS consists of: • Sensory neurons from skeletal muscles ...