badir
badir badir
  • 01-11-2020
  • Chemistry
contestada

Use the diagram to answer the question.

Use the diagram to answer the question class=

Respuesta :

Catsceard
Catsceard Catsceard
  • 01-11-2020

Answer:

B. Heart valves allow the blood to flow in only one direction so the blood does not backflow.

Answer Link

Otras preguntas

Help me please with this
Sal is making bracelets for a fundraiser he uses 6 inches of yarn per bracelet how many bracelets can sal make with 5 feet of yarm
A student formed a pattern in which each term is represented by a sum. The first four terms of the pattern are shown below n / sum 1 = 1 2 = 1+3 3 = 1+3+5 4 =
What do you think movable means? What are your ideas?
Which statement about the following equation is true ? 2x^2-9x+2=-1
El tomate, la papa, el maíz y __ son originarios de américa. el arroz la naranja el aguacate __ fue alimento básico para los incas. la papa el cacao el maíz los
How do the densities of the jovian and terrestrial planets compare?
The following table lists molar concentrations of seven major ions in seawater. Using a density of 1.022 g/mL for seawater, convert the concentrations for the t
the ratio of the measures of the three angles in a triangle is 2:9:4. find the measures of the angles
For example, oxygen (O₂) diffuses from the air sacs into the capillaries of the lungs because there is a ____________ concentration of oxygen in the alveoli (