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Flashcards covering key concepts from the lecture on animal physiology and coordination.

Coordination

Making things happen at the right time by linking different body activities.

Nervous System

The first organ system that helps in coordination by processing information and sending signals.

Endocrine System

The second organ system that helps in coordination through hormones and is discussed in Chapter 7.

Stimulus

A change in an animal's surroundings that initiates a response.

Response

A reaction to a stimulus.

Receptor

An organ or structure that detects stimuli from the environment.

Effector

An organ that produces a response to a stimulus.

Central Nervous System (CNS)

Comprises the brain and spinal cord and is responsible for processing information.

Nerve Impulse

Tiny electrical signals that transmit information in nerve cells.

Synapse

Junctions where nerve impulses are transmitted from one neurone to another.

Neurotransmitters

Chemical substances that transmit signals across synapses.

Eye

A complex organ that serves as a receptor for light.

Myelin Sheath

A fatty material that insulates axons and speeds up nerve impulse conduction.

Neuromuscular Junction

A special synapse where impulses are transmitted from a neurone to a muscle fiber.

Briefly describe the Stimulus-Response sequence

The process: stimulus → receptor → coordination → effector → response.

Human Receptors

Organs like the eye, ear, tongue, and skin that detect specific types of energy.