Chapter 6: Structures and Functions of Circulatory, Lymphatic and Immune Systems

Question 1

Blood is part of which System; Circulatory, Lymphatic or Immune?

Answer 1

Circulatory System and flows through blood vessels.

Question 2

Lymph is part of which System; Circulatory, Lymphatic or Immune?

Answer 2

Lymphatic System and flows through lymphatic vessels.

Question 3

Blood is a reddish-colored fluid that supplies what?

Answer 3

The tissues and organs with oxygen, transports other nutrients, hormones and removes wastes.

Question 4

Lymph is a clear fluid that bathes the tissues to?

Answer 4

Maintain fluid balance and remove pathogens.

Question 5

In the Circulatory System, the heart pumps blood throughout?

Answer 5

The body.

Question 6

The Lymphatic System does not have a pump-like organ and depends on?

Answer 6

The messaging action of muscles to transport the fluid.

Question 7

The flow of blood is fast and moves in?

Answer 7

Circular motions.

Question 8

The flow of lymph is slow and moves in?

Answer 8

Only one direction.

Question 9

How does the kidneys filter blood and excrete waste products?

Answer 9

Via the urinary system.

Question 10

What does the Circulatory System consist of?

Answer 10

The heart, and blood stream.

Question 11

Why the heart and bloodstream work together?

Answer 11

To pump blood to all body tissues.

Question 12

What muscular organ circulates blood?

Answer 12

The heart.

Question 13

What is the outermost protective layer of the heart?

Answer 13

Pericardium.

Question 14

What does the pericardium contains?

Answer 14

A lubricative liquid to prevent friction when the heart beats.

Question 15

What is the inner layer of the heart?

Answer 15

The epicardium that envelops the heart muscle.

Question 16

The Myocardium is the heart muscle that maintains?

Answer 16

The pumping movement necessary to move the blood throughout the body.

Question 17

What does the Endocardium lines?

Answer 17

The interior surface of the heart.

Question 18

Blood leaves the heart and travels throughout the body in blood vessels, which decrease in diameter as?

Answer 18

They move away from the heart and toward the tissues and organs.

Question 19

Blood exits the heart through arteries then arterioles and then capillaries where what happens?

Answer 19

Where the exchange of oxygenated and deoxygenated blood occurs.

Question 20

What are the two closed loops that the Circulatory system includes?

Answer 20

Pulmunary Circulation and Systemic Circulation.

Question 21

What is the Pulmonary Circulation?

Answer 21

The flow of oxygenated and deoxygenated blood between the heart and lungs.

Question 22

What is the Systemic Circulation?

Answer 22

Delivers oxygenated blood from the heart to all parts of the body and returns deoxygenated blood back to the heart.

Question 23

The Lymphatic and Immune Systems work together and play an essential role in?

Answer 23

The immune functions of the body.

Question 24

What does Lymph do?

Answer 24

Is a fluid that removes dead cells, debris and pathogens form intercellular spaces.

Question 25

What are Lymph Nodes?

Answer 25

The immune system’s first line of defense, filtering the lymph to remove the impurities,

Question 26

What is the Spleen?

Answer 26

A mass of lymphoid tissue that functions like a large lymph node.

Question 27

What does the Spleen filter?

Answer 27

Microorganisms from the blood and destroy worn-out erythrocytes.

Question 28

What are Tonsils?

Answer 28

Three masses lymphoid tissue.

Question 29

What does Tonsils do?

Answer 29

Prevent pathogens from entering the respiratory system when breathing through the nose or mouth.