The Heartbeat of a Developing Embryo Can Be Detected During

question 66

Short Answer

The heartbeat of a developing embryo can be detected during the _____ week of pregnancy.

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Definitions:

Outpouchings

Bulges or protrusions from a hollow structure in the body.

Efficient Respiratory System

A highly effective system in organisms for the exchange of gases—oxygen and carbon dioxide—between an organism and its environment, ensuring adequate oxygenation of tissues for metabolic needs.

Stale Air

Air that has become unfit for breathing due to poor circulation or presence of pollutants, causing discomfort or health issues.

Partial Pressure

The pressure contributed by a single type of gas in a mixture of gases.