Answer:
high frequency sound waves
Explanation:
The fetal cardiac activity emits signal that comprises of high frequency sound waves. This signal is received only when it is converted into a fetal heart rate tracing via computer. These signals are traced through transducers and are shown on the external monitor.
Answer:
<u>Descriptive</u><u> </u><u>Research</u><u>:</u>
Descriptive research is a method that describes a study or a topic.
<u>Experimental</u><u> </u><u>Research</u><u>:</u>
Experimental research is a study that strictly adheres to a scientific research design.
What strategies can aid in leading a substance free life is to build a strong relationship with your parents,Finding activities you can enjoy without drugs And being a positive role model for others
Answer:
Drugs can affect feelings and moods, judgment, decision making, learning, and memory. But they can also cause or worsen other health problems—cancer; heart disease; lung disease; liver function; mental disorders; and infectious diseases such as HIV/AIDS, hepatitis, and tuberculosis.
Explanation:
Drugs excite the parts of the brain that make you feel good. But after you take a drug for a while, the feel-good parts of your brain get used to it. Then you need to take more of the drug to get the same good feeling. Soon, your brain and body must have the drug to just feel normal.
<span>greater body control during movement</span>
