Question

Ventricles pump blood out of the heart. Which types of vessels will be the first to contact the blood from the ventricles?
science question

Answer 1

Answer:

the artery will be the first type of vessel to come in contact with blood which are formed by the ventricles.

Explanation:

Answer 2

Answer:

this isn't the arts this is science, but here: By age 70, the human heart will have beat more than 2.5 billion times.

Explanation:

still science