They're measured by gauges. Most butterfly needles range from 18 to 27 gauge. The higher the number is, the smaller or thinner the needle size is. While the size can vary, most needle sizes are 21 to 23 gauge. Hope this helps!
Answer:
An example of an abbreviation is an MRI.
Explanation:
MRI stands for Magnetic Resonance Imaging
Answer:
I'll put (r) if red, (b) if blue after each word
1. heart (b), _________, vena cava (b)
2. right ventricle (b)
3. pulmonary (b), lungs (b)
4. atrium (r), pulmonary veins (r)
5. ventricle (r)
6. ventricle (r), aorta (r), __________
Explanation:
I *think* both of the blanks would be heart, but I'm not positive. And I would guess the first would be blue, and second would be red.
Sorry I didn't get them all.