Lesson 1: Circulatory System

Question 1

is the fluid between the tissues

Answer 1

interstitial fluid

Question 2

blood passes through the heart once or twice

Answer 2

single and double circulation

Question 3

two pumping circuit

Answer 3

pulmonary circuit and systemic circuit

Question 4

which carry deoxygenated blood away from the heart to the lungs

Answer 4

pulmonary arteries

Question 5

which carry oxygenated blood from the lungs to the heart

Answer 5

pulmonary veins

Question 6

This circuit is responsible for bringing blood to thr skin for gas exchange to occur

Answer 6

pulmocutaneous circuit

Question 7

receive and pump oxygenated blood

Answer 7

left atrium and left ventricle

Question 8

receive and pump deoxygenated blood

Answer 8

right atrium and right ventricle

Question 9

also known as warm-blooded animals

Answer 9

Endotherms

Question 10

metallic taste, sticky and opaque

Answer 10

blood

Question 11

The fluid component of the blood

Answer 11

Plasma

Question 12

These cells are responsible for transporting oxygen (biconcave)

Answer 12

Red blood cells

Question 13

whitish layer seen just above the RBCs

Answer 13

buffy coat

Question 14

which fight foreign invaders in the body

Answer 14

leukocytes or white blood cells

Question 15

which aid in blood clotting

Answer 15

thrombocytes

Question 16

The fraction of erythrocytes in the total blood volume

Answer 16

hematocrit

Question 17

iron-containing protein

Answer 17

hemoglobin

Question 18

five types of white blood cells

Answer 18

basophil, eosinophil, neutrophil, lymphocytes and monocytes

Question 19

aids in allergic reaction

Answer 19

Basophil

Question 20

Assists in regulating parasitic infection and allergic reaction

Answer 20

Eosinophil

Question 21

Helps in fighting bacterial and fungal infections

Answer 21

Neutrophil

Question 22

Responsible for viral infection and adaptive immunity

Answer 22

Lymphocyte

Question 23

Fights chronic infections and belongs to the innate immunity

Answer 23

Monocyte

Question 24

Three types of blood vessels

Answer 24

artery, vein and capillary

Question 25

carry blood away from the heart

Answer 25

Arteries

Question 26

Carry blood toward the heart

Answer 26

Veins

Question 27

Site of gas exchange

Answer 27

Capillaries

Question 28

which is the layer of flattened epithelial cells

Answer 28

endothelium

Question 29

3 parts of the heart

Answer 29

chambers, vessels and valves

Question 30

four chambers of the human heart

Answer 30

two atria and two ventricles

Question 31

the largest blood vessels are found

Answer 31

Heart

Question 32

The biggest artery The first site that receives the highest pressure This is where oxygenated blood that will flow through the rest of the body will be distributed

Answer 32

aorta

Question 33

are the biggest veins/where the blood from the upper and lower parts of the body will be drained, respectively.

Answer 33

superior vena cava and inferior vena cava

Question 34

4 valves present in the heart

Answer 34

mitral valve, tricuspid valve, pulmonary valve and aortic valve

Question 35

the mitral and tricuspid valves are also known as

Answer 35

atrioventricular valves

Question 36

Prevent backflow of blood

Answer 36

Valves/pulmonary and aortic valve

Question 37

It is characterized by a rounded swelling in any arterial wall but usually in the aorta it has mild symptoms or none at all. It is usually undetected until the swelling bursts or blocks the blood flow

Answer 37

Aneurysm

Question 38

Fats, cholesterol, cellular debris, calcium and other substances build up in the wall of an artery

Answer 38

Atherosclerosis

Question 39

It involves heart defects present from birth. It can be defects in the walls of the heart, heart valves, and blood vessels near the heart

Answer 39

Congenital heart defects

Question 40

It is also known as high blood pressure. The force of blood against the arterial wall can lead to health problems such as heart disease

Answer 40

Hypertension

Question 41

Lacks clotting proteins. Hence, his or her blood doesn't normally clot

Answer 41

Hemophilia

Question 42

This is characterized by a damaged vessel supplying blood to the heart

Answer 42

Coronary heart disease