Circulatory System

Question 1

2 types of blood

Answer 1

Oxygen Rich Blood
Oxygen Poor Blood

Question 2

Blood traveling to the body cells

Answer 2

Oxygen Rich blood

Question 3

Blood travelling away from the body cells

Answer 3

Oxygen Poor blood

Question 4

The organ at the center of the circulatory system. It pumps blood around the body.

Answer 4

Heart

Question 5

(receives blood) is the atrium

Answer 5

Upper Chamber

Question 6

(pumps blood out of the heart) is the ventricle

Answer 6

Lower Chamber

Question 7

4 Chambers

Answer 7

2 Atria
2 Ventricles

Question 8

4 Valves of the Heart

Answer 8

Pulmonary Valve
Tricuspid Valve
Aortic Valve
Mitral Valve

Question 9

Enabling the deoxygenated blood to be pumped from the right ventricle.

Answer 9

Pulmonary Valve

Question 10

This valve also helps prevent blood from flowing backward into either of these chambers.

Answer 10

Tricuspid Valve

Question 11

One of three major categories of muscles found within the human body.

Answer 11

Myocardium

Question 12

Is the basic contractile unit of a myocyte.

Answer 12

Sacromere

Question 13

Ensure that oxygen-rich blood does not flow back into the left ventricle.

Answer 13

Aortic Valve

Question 14

Regulates blood flow from the upper left chamber (left atrium) into the lower left chamber (left ventricle),

Answer 14

Mitral Valve

Question 15

Large vessels
Carry blood from heart to tissues of body.
Carry oxygen rich blood, with the exception of pulmonary arteries.
Thick walls-need to withstand pressure produced when heart pushes blood into them

Answer 15

Arteries

Question 16

The force of blood on the wall of the arteries.

Answer 16

Blood Pressure

Question 17

Link arterioles to veins.
Smallest blood vessels
Walls are only one cell thick and very narrow.
Important for bringing nutrients and oxygen to tissues and absorbing CO2 and other waste products.

Answer 17

Capillaries

Question 18

Carry blood towards the heart.

Answer 18

Veins

Question 19

The first number taken, is the force felt in the arteries when the ventricles contract

Answer 19

Systolic Pressure

Question 20

The second number taken, is the force of the blood on the arteries when the ventricles relax.

Answer 20

Diastolic Pressure

Question 21

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

Answer 21

Red blood cells

Question 22

Guards against infection, fight parasites, and attack bacteria
Number of -’s increases when body is fighting
Lymphocytes produce antibodies which fight pathogens and remember them

Answer 22

White blood cells

Question 23

White blood cells with protein or grain

Answer 23

Granulocytes

Question 24

Types of Granulocytes

Answer 24

Basophil (Allergic Reaction)
Neutrophil (bacteria)
Eosinophil (parasites)

Question 25

White blood cells without protein or grain

Answer 25

Agranulocytes

Question 26

Types of Agranulocytes

Answer 26

Lymphocytes – antibodies Monocytes - Phagocytosis

Question 27

Aid the body in clotting Stick to edges of broken blood cell and secrete clotting factor to help form clot.

Answer 27

Platelets

Question 28

it is also known as the cancer in the blood and extremely high level of white blood cell.

Answer 28

Leukemia

Question 29

Low energy due to lack of red blood cells.

Answer 29

Anemia

Question 30

Lack of blood clotting factor in the blood

Answer 30

Hemophilia

Question 31

A type of vascular disease where the blood vessels carrying oxygen away from the heart (arteries) become damaged from factors such as high cholesterol, high blood pressure, diabetes and certain genetic influences.

Answer 31

Arteriosclerosis

Question 32

When the pressure in your blood vessels is too high. -Often due to narrowing of arteries from plaque build up.

Answer 32

Hypertension

Question 33

Sometimes referred to as a brain attack, occurs when the blood supply to the brain is blocked by a clot or tear in a blood vessel.

Answer 33

Stroke

Question 34

Death of cardiac muscles cell due to lack of oxygen. - Heart may stop pumping - Caused by Blood clots in the coronary arteries.

Answer 34

Heart Attack

Question 35

Swelling of the aorta

Answer 35

Aneurysm

Question 36

Heart makes extra sounds due to leaking valves.

Answer 36

Heart Murmurs

Question 37

Heart beats irregularly.

Answer 37

Arrythmia

Question 38

Defect of the structure of the heart and vessels, present at birth. 9 out of 1000 people are born with congenital heart defects.

Answer 38

Congenital Heart Diseases

Question 39

One complete sequence of contraction and relaxation is called a

Answer 39

Heartbeat

Question 40

--- % of your body is blood

Answer 40

8%

Question 41

How many liters of blood do we contain?

Answer 41

4-6L

Question 42

Composed of -% plasma and -% blood cells

Answer 42

55% plasma and 45% blood cells

Question 43

We contain about a pint of blood for every --- pounds of body weight

Answer 43

15lbs