Answer:
B. QRS wave
Explanation:
The position of QRS wave on an electrocardiogram corresponds with the point of highest blood pressure in the vessels leaving the heart. Hence, option (b) is the correct answer.
Answer:
I think B one is correct.
Answer:The placenta begins to develop to provide food and oxygen.
Explanation:
The possible effects of fetal alcohol syndrome is premature birth, low birth weight, facial deformities, limb deformities,kidney problems, growth development, jitteriness, mood instability, difficulty in school, behavioral issues, vision issues, poor brain development, learning disabilities.
Which part of that ear is normally filled with fluid to aid in the transmission of sound waves ?
-The cochlea is the fluid filled part of the ear that transmits sound.