Animal Groups Differ in the Mechanisms by Which Heartbeats Are

question 13

Multiple Choice

Animal groups differ in the mechanisms by which heartbeats are initiated.Most arthropods have a

• A)neurogenic heart while vertebrates have a myogenic heart.
• B)myogenic heart while vertebrates have a neurogenic heart.
• C)neurogenic heart while vertebrates have a cardiogenic heart.
• D)cardiogenic heart while vertebrates have a myogenic heart.
• E)autonomous heart while vertebrates have a neurally controlled heart.

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Definitions:

Chronic Pain

Persistent pain that lasts weeks to years, often beyond the expected period of healing.

Joints

Connections between bones in the body which facilitate movement and provide support.

Tendons

Tough, flexible bands of fibrous connective tissue that connect muscles to bones and help in the movement of joints.

Smooth Muscle

A type of muscle found in the walls of internal organs such as the stomach, intestines, and blood vessels, responsible for involuntary movements.