Circulatory System

Front

thin walled upper heart chamber which receives blood and pump blood to the ventricles.

Back

Atria (Atrium)

Tags

NGSS.MS-LS1-3

Front

Muscular, thick-walled lower chamber that pumps blood from the heart.

Back

Ventricle

Front

Prevents backwards flow of blood in the heart

Back

Valve

Front

What carries blood away from the heart?

Back

Arteries

Front

What carries blood towards the heart?

Back

Veins

Front

Connects arteries to veins, site of exchange for nutrients, waste and oxygen.

Back

Capillaries

Front

A fluid tissue that helps maintain homeostasis for all cells in the body. Composed of 55% plasma; 45% blood cells.

Back

Blood

Front

Liquid portion of blood, typically yellow, where nutrients are dissolved.

Back

Plasma

Front

Protein in every red blood cell that carries oxygen.

Back

Hemoglobin

Tags

NGSS.MS-LS1-2

NGSS.MS-LS3-1

Front

White blood cells that help to defend our body from diseases.

Back

Leukocytes

Tags

NGSS.MS-LS1-3