litkidddd
litkidddd litkidddd
  • 12-11-2017
  • Biology
contestada

What prevents the blood from flowing backwards

Respuesta :

Аноним Аноним
  • 12-11-2017
A set of valves exist between each atrium and ventricle, preventing blood from flowing backwards into the atria. 
Answer Link

Otras preguntas

As a result of the fur trade in the 1500s, American Indians
In the United Nations, the General Assembly has representatives from ____________. a. the U.S. c. Germany b. Britain d. every nation that wants to join
What number is halfway between 12 and 34
What has been the most significant effect of artistic development in New Mexico since world war 2? give two reasons to justify your answer.
The designer dressed them in black and teal costumes. Determine the case and function of the underlined pronoun. objective; direct object possessive; adjective
What's 97156 divided by 107
WHY DO COMMUNITIES CHANGE OVER TIME
Macbeth explain to the hired murderers that they must keep his plan a secret because
Read the dictionary entry. widow (wid´ō), n. a woman who has outlived her husband. What does the symbol (´) indicate? A. the o is a long vowel B. the syllable m
What was the most important result of the Land Ordinance of 1785?