mblakehoops5205 mblakehoops5205

12-09-2017
Health

contestada

Where was heart valve replacement surgery researched and originated?

Respuesta :

allissag63 allissag63

22-09-2017

Charles A. Hufnagel, M.D. (August 15, 1916 – May 31, 1989) was an American surgeon who in the early 1950s invented the first artificial heart valve.

Answer Link

Otras preguntas

according to the word entry, which syllable is accented in the word syllable? a) second b) third c) first

Why is the correct answer three for number 27 ? Please explain why !!

For cats, the main determinant of a food's palatability is its protein content. for cats, then, food tastes especially good when it activates _____(blank) recep

The graph below shows a line of best fit for the relationship between the number of tickets that Brittany has and the number of rides she goes on at the state f

In △ABC, what is the measure of C?

An artist created the sculpture shown with concrete. The radius of the bottom hemisphere is double that of the top hemisphere. Find the exact total volume of co

PLEASE HELP ASAP!!! An oscillator with a frequency of 0.25 Hz is set in motion. One second later, an identical oscillator is set in motion. What is the phase s

A circle with circumference 18 has an arc with a 120? central angle. What is the length of the arc?

What is the formula for iconic compound maganese (ll) chloride

which expressions are equivalent to 5x - 15 A. 5(x+15) B. 5(x-3) C.4x+3y-15-3y+x D.-7y-6x-8y+x E.-20-3x+5+8x