For an accurate measurement of cardiovascular activity, researchers typically: D) measure the number of heartbeats per minute.
<h3>What is cardiac cycle?</h3>
Cardiac cycle is a process that involves the complete heartbeat of the human heart, which comprises sequential alternating contraction and relaxation of the atria and ventricles, so as to cause blood to only flow in one direction throughout the human body during any cardiovascular activity.
As a general, researchers should typically measure the number of heartbeats of a person per minute, so as to ensure an accurate measurement of cardiovascular activity.
Read more on cardiovascular activity here: brainly.com/question/1578171
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I think the answer will be B. sliver and A. gold
Answer: The correct answer is : Friendly and parasympathetic. Somatic motor response
Explanation: Hypothalamic neurons, especially within the lateral hypothalamus, respond to sensory signals by inciting an appropriate somatic motor behavioral response. These motor responses influence the somatic motor system, producing motivated behavior. The integration of the sympathetic and the parasympathetic to the emotional expression is mediated by the hypolatam.
Answer:
The following are some of the differences between industrial cities and pre industrial cities.
Explanation:
- In industrial cities, each phase of production is carried out by specialists while in pre-industrial cities each phase is carried out by craftsmen
- Pre-industrial cities are congested while industrial cities are not.
- Industrial cities embrace modern transportation facilities while pre-industrial cities use primitive transportation technology.
- Pre-industrial cities use primitive sources of energy while industrial cities embrace modern energy sources.