pablo42069 pablo42069

02-12-2021
Biology

contestada

What do the vessels that are
carrying oxygen-poor blood
back to heart have that stops
blood from flowing
backwards?
A. thick muscular walls
B. valves
C. hemoglobin
D. SA nodes

Respuesta :

yashjaglan012 yashjaglan012

02-12-2021

Answer:

B ) Valves

Explanation:

Valves allow blood to flow only in one direction and prevent the backflow.

Answer Link

Otras preguntas

the difference between a number and two times a number is seven the number is greater than zero what is the number

Does aluminum conduct electricity?

fine the slope(rate of change) (7,9) (10,6)

please help me with this

which do you think made the most significant contribution to the ancient world? Ancient Greece and Rome were perhaps two of the most significant civilizations i

using complete sentences, explain the consequences of allowing a scientist to withhold information from other scientists and the public.

A friend tells you he read somewhere that rotten garbage can turn into maggots, which are fly larvae and the maggots then can grow into adult flies. What part o

In a typical data table, the first column of data represents the ______________ variable. independent dependent

$50.00 is what percent of $448.00

what is 938/6 and 762/4