The Embryonic Germ Layer of Tissue in Animals That Develops

question 83

Multiple Choice

The embryonic germ layer of tissue in animals that develops into the skin and nervous system is the

• A) pachyderm.
• B) endoderm.
• C) mesoderm.
• D) protoderm.
• E) ectoderm.

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Definitions:

Sinoatrial (SA) Node

The heart's natural pacemaker, responsible for initiating the electrical impulses that determine heart rate.

Cardiac Output

The volume of blood the heart pumps per minute, which is crucial for maintaining blood flow to the body.

Ventricular Contractions

Heartbeats initiated by electrical impulses causing the ventricles to contract, pumping blood out of the heart.

Cardiac Contractile Strength

Cardiac Contractile Strength refers to the force generated by the heart muscle during contraction, crucial for pumping blood effectively throughout the body.