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aniked [119]
4 years ago
15

PLEASE HELP I'll MARK THE BRAINLIEST

Biology
2 answers:
vodomira [7]4 years ago
5 0

Answer:

coronary arteries

Oxygen is supplied to the heart muscle by the coronary arteries. These are the blood vessels that wrap around the surface of the heart: The left main coronary artery branches into the: Circumflex coronary artery, which supplies blood to the back left side of the heart

emmasim [6.3K]4 years ago
4 0

Answer:

Answers:

1.)- Coronary Artery

2.)- Pacemaker

3.)- Red Blood Cells

4.)- Water

5.)- Walls are one cell thick

6.)- Aorta

7.)- Lymphatic System

8.)- Oxygen

9.)- Right atrium

10.)- Brain

11.)- False

12.)- True

13.)- True

14.)- False

15.)- True

16.)- Ventricles

17.)-  Blood pressure

18.)- valve

19.) The cardiovascular system consists of the heart, blood vessels, and blood. This system has three main functions: Transport of nutrients, oxygen, and hormones to cells throughout the body and removal of metabolic wastes (carbon dioxide, nitrogenous wastes).

20.) Random Facts:

The average heart is the size of a fist in an adult.

Your heart will beat about 115,000 times each day.

Your heart pumps about 2,000 gallons of blood every day.

Explanation:

:3 took a long time but ya

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Answer:

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Explanation:

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