5

Question 1

Blood is composed of……and…….

Answer 1

Plasma and red blood cells

Question 2

• What color is plasma?

- plasma is composed of?

Answer 2

o Straw colored (pale yellow)
o 90% water and 10% dissolved gases, salts, nutrients,
enzymes, hormones, wastes, and proteins.

Question 3

Types of Cells?

Answer 3

o Red Blood Cells
o White Blood Cells
o Platelets

Question 4

Red blood cells:

• what shape are they
• they get their color from what
• where are they made
• circulates for how many days
• function

Answer 4

o Disk shaped
o Get color from hemoglobin 
o Made in red bone marrow 
o Circulate for 120 days
o Transport oxygen

Question 5

White blood cells guard against what?

Answer 5

infection, fight parasites, and attack bacteria

Question 6

• Platelets
o Small fragments
o Stick to edges of broken blood cell and secrete clotting factors helping in formation of blood clot

Answer 6

…..

Question 7

Function of the blood?

Answer 7

• transportation: Blood transports oxygen and nutrients to cells, CO2 and waste away from cells, hormones to target tissues
• regulation: Helps maintain stable body temperature, pH, water and electrolyte levels
• protection: Clotting prevents fluid loss, white blood cells protect body against disease

Question 8

Which type of vessel contains valves?

Answer 8

Veins

Question 9

What is a network of capillaries called?

Answer 9

Capillary bed