CHAPTER 9 SECTION 2

Question 1

List the four components of blood.

Answer 1

plasma,red blood cells,platelets and white blood cells

Question 2

The fluid part of the blood is called

Answer 2

plasma

Question 3

What do red blood cells do?

Answer 3

take oxygen to every cell in your body

Question 4

An adult body has about____liters of blood?

Answer 4

5

Question 5

What does hemoglobin cling to?

Answer 5

oxygen you inhale

Question 6

When bleeding starts,_____form a plug to reduce blood loss.

Answer 6

platelets

Question 7

What two things do White Blood Cells do?

Answer 7

destroy pathagens and help clean wounds

Question 8

Pathogens include bacteria,———-and other microscopic organisms.

Answer 8

viruses

Question 9

To fight pathogens, white blood cells destroy pathogen or release _________.

Answer 9

antibodies

Question 10

What destroys dead or damaged body cells?

Answer 10

White blood cells

Question 11

Blood helps regulate

Answer 11

body temperature

Question 12

When body temperature rises, blood vessels in teh skin

Answer 12

enlarge

Question 13

The force that blood exerts on the walls of the arteries is called……

Answer 13

blood pressure

Question 14

When is systolic pressure measured?

Answer 14

When the ventricles contract

Question 15

When is diastolic pressure measured?

Answer 15

When the ventricles relax

Question 16

Name two organs that can be damaged by high blood pressure?

Answer 16

heart and kidneys

Question 17

To what does a blood type refer?

Answer 17

chemicals called antigens on red blood cells

Question 18

What kind of antibodies does a person with type A blood have?

Answer 18

type a

Question 19

Which blood type is a universal donor?

Answer 19

O

Question 20

What does a transfusion attempt to replace?

Answer 20

blood that has been lost due to surgery or injury