nataliemandisi2005 nataliemandisi2005

04-09-2020
Biology

contestada

Explain how valves help the transport of blood in veins.

Respuesta :

nazz1010 nazz1010

04-09-2020

Answer:

The valves' main job is to keep the blood moving in one direction – back up towards the heart. When the valve is open, blood freely flows upward towards the heart and when the valves are closed, blood cannot flow back

Answer Link

Otras preguntas

What lengths do the Lionfish grow to?

Which of the following is the term used to describe how people perceive themselves and their relationships? A.Diversity B.Individualism C.Self-concept D.Sel

Write a balance chemical equation for the ammonia react with carbon dioxide

What is the mantle of the core of the earth

What is the central idea of this passage?

Can you find the conditional sentences? A lo largo de esta canción hay varias oraciones condicionales. Rellena la tabla con las oraciones condicionales que apar

an = 2^n-1 Given the explicit formula find the eight term.

The short-run tradeoff between inflation and unemployment implies that, in the short run, a. a decrease in the growth rate of the quantity of money will be acco

Use Definition 7.1.1, DEFINITION 7.1.1 Laplace Transform Let f be a function defined for t ≥ 0. Then the integral ℒ{f(t)} = [infinity] e−stf(t) dt 0 is said to

patrick works at a foodservice operation that supplies ready-to-eat potato and chicken salads to supermarket deli counters. which precautionary measure he follo