What causes congestive cardiac failure?

What causes congestive cardiac failure? Heart failure, sometimes known as congestive heart failure, occurs when your heart muscle doesn’t pump blood as well as it should. Certain conditions, such as narrowed arteries in your heart (coronary artery disease) or high blood pressure, gradually leave your heart too weak or stiff to fill and pump efficiently. […]

How does the focus on a camera work?

How does the focus on a camera work? A convex lens is used in the camera to focus incoming light onto a CMOS sensor. The sensor will then digitise the light and will turn it into a JPEG photo that’s then saved on your smartphone. In every digital camera, there’s a lens and a sensor. […]

Does crucial mean bad?

Does crucial mean bad? 1Decisive or critical, especially in the success or failure of something. ‘Bad management and bad cost control will be crucial in deciding success or failure. ‘ What do you mean by crucial? 1 : being a final or very important test or decision : decisive a crucial battle. 2 : very […]

Where do Blue Dashers live?

Where do Blue Dashers live? Blue dasher naiads live in the still waters of ponds, ditches, marshes, and occasionally, very slow-moving streams, and because they can tolerate pretty low-oxygen/poor water quality, they are sometimes used as biological indicators. Mature naiads are well-camouflaged, (dorsal) hook free and relatively spine-less. Is the blue dasher a vertebrate? While […]

What is the talking drum used for?

What is the talking drum used for? Talking drum, any of various types of drums that, by imitating the rhythm and the rise and fall of words in languages, are used as communication devices. Such drums occur in East and West Africa, Melanesia, and Southeast Asia. Why are African drums referred to as talking drums? […]

How long have dumplings been around?

How long have dumplings been around? Dumplings are not just a mere delicious snack. They carry a rich significance that dates back to Ancient China, 1,800 years ago. Also known as Jiaozi, these Chinese dumplings commemorate an interesting incident of the past and have now become a part of many lives. What are Chinese dumplings […]

How is epidemiology fundamental to the practice of public health?

How is epidemiology fundamental to the practice of public health? Whereas epidemiology is the study of disease occurrence and transmission in a human population, epidemiological studies focus on the distribution and determinants of disease. Epidemiology may also be considered the method of public health—a scientific approach to studying disease and health problems. Why is epidemiology […]

Begin typing your search term above and press enter to search. Press ESC to cancel.

Back To Top