Blood Composition

What is plasma mostly made out of?

• water
• electrolytes
• blood
• white blood cells

What makes up the majority of blood's volume?

• red blood cells
• plasma
• erythrocytes
• white blood cells

Plasma is 90% water and 10% ....?

• nutrients
• proteins
• electrolytes
• hormones

What is another word for red blood cells?

• leukocytes
• thrombocytes
• erythroctyes
• plasma

Tags

NGSS.HS-LS1-4

TRUE OR FALSE : Erythrocytes make up the majority of blood's volume

• True
• False

TRUE OR FALSE : Erythrocytes are true cells with a nucleus and organelles

• True
• False

What shape do red blood cells take on?

• sphere
• flat disc
• biconcave disc
• biconvex disc

Why are red blood cells in a biconcave disc shape?

• to travel as fast as possible in the blood vessel
• to reduce the surface area of the cell
• to make sure they do not stick together
• to increase the surafce area of the cell

Tags

NGSS.HS-LS4-4

TRUE OR FALSE : Erythrocytes are responsible for transporting oxygen throughout the body

• True
• False

What is the protein called that helps red blood cells carry oxygen?

• iron
• hemoglobin
• plasma
• erythrocytes