Valves of the Heart Prevent Blood Backflow and Thus Reduce

question 102

True/False

Valves of the heart prevent blood backflow and thus reduce the workload of the heart.

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Definitions:

Sensation

The manner in which stimuli energies from the environment are received and represented by our sensory receptors and nervous system.

Perception

The process by which individuals organize and interpret their sensory impressions in order to give meaning to their environment.

Bottom-up Processing

An approach to information processing that starts with details or sensory data and builds up to a comprehensive perception.

Sensory Receptors

Specialized cells or nerve endings that respond to environmental stimuli, such as light, sound, touch, or chemicals, and convert them into neural impulses.