Gases (oxygen and carbon dioxide), nutrients, waste products, hormones

• Transport and distribute

• Maintain and regulate

• Help fight

Tags

NGSS.HS-LS2-4

NGSS.HS-LS2-5

Body temperature, pH levels, volume of fluids

• Transport and distribute

• Maintain and regulate

• Help fight

Tags

NGSS.HS-LS1-3

Pathogens and loss of blood

• Transport and distribute

• Maintain and regulate

• Help fight

Red blood cells (RBCs)

• Erythrocytes

• Leukocytes

• Thrombocytes

White blood cells (WBCs)

• Erythrocytes

• Leukocytes

• Thrombocytes

Tags

NGSS.MS-LS1-3

Platelets

• Erythrocytes

• Leukocytes

• Thrombocytes

Plasma

• Mostly water (90%)

• Proteins (albumin)

• Electrolytes and Dissolved gases

• Nutrients

Red Blood Cells: erythrocytes

• Most abundant cell type in the blood

• Shape= biconcave disk

• Anucleate= do not have a cell nucleus

• Make up < 1% of blood

Tags

NGSS.MS-LS1-2

White Blood Cells: Leukocytes

• Make up <1% of blood

• Do have a nucleus

• Immune Cells

• Don't have a nucleus

Tags

NGSS.MS-LS1-3

Platelets: thrombocytes

• Make up <1% of blood

• Inactive shape: biconvex discoid

• Anucleate: don't have a cell nucleus

• Function= clotting