subject
Health, 07.06.2020 18:57 jakebice4480

Why do veins also have valves? to keep the blood from circulating too fast
to regulate contractions of the heart
to keep the veins from losing blood
to prevent gravity from pulling the blood towards the feet

ansver
Answers: 2

Other questions on the subject: Health

image
Health, 21.06.2019 21:00, tonya3498
What is the best time of day to exercise
Answers: 1
image
Health, 22.06.2019 14:20, nelyanariba981p555ve
Think of five people whom you consider socially successful. write their names in the space below.
Answers: 1
image
Health, 22.06.2019 22:30, Roof55
In which way does nicotine cause addiction? by stimulating the brain’s pleasure center by increasing blood-sugar levels by decreasing dopamine levels by reducing depression and anxiety
Answers: 3
image
Health, 23.06.2019 00:30, cjdieball2106
If you know answer will mark brainliest
Answers: 1
You know the right answer?
Why do veins also have valves? to keep the blood from circulating too fast
to regulate contra...

Questions in other subjects: