Circulatory System

Question 1

What does the circulatory system consist of?

Answer 1

The heart, blood vessels, and blood

Question 2

What are the functions of the circulatory system?

Answer 2

Move gases, nutrients, and waste to all the tissues for exchange. Defense of the body from microbes and reduces non-function cells. Form blood clots and stop bleeding.

Question 3

What is the function of the heart?

Answer 3

Pumps blood

Question 4

What divides the right and left side of the heart?

Answer 4

The septum

Question 5

Which side of the heart carries oxygenated blood?

Answer 5

The left side

Question 6

Which side of the heart carries deoxygenated blood?

Answer 6

The right side

Question 7

What does systemic mean?

Answer 7

Body

Question 8

What does pulmonary mean?

Answer 8

Lungs

Question 9

What side of the heart does blood enter first?

Answer 9

The left side

Question 10

What is the order of blood through the body?

Answer 10

Lungs –> Pulmonary veins –> Left atrium –> Left Ventricle –> Aorta –> Body –> Vena Cava –> Right atrium –> Right ventricle –> Pulmonary arteries –> Lungs

Question 11

What are between the heart chambers to prevent back flow?

Answer 11

Valves

Question 12

What is the tricuspid valve?

Answer 12

A valve with 3 valves located between the right ventricle and atrium that prevents back flow into the atrium

Question 13

What is the bicuspid valve?

Answer 13

The mitral valve located between the atrium and ventricle which prevent back flow into the atrium

Question 14

What are the semilunar valves?

Answer 14

Valves between the ventricle and arteries that prevent back flow into the ventricles

Question 15

Where is the highest blood pressure?

Answer 15

In the arteries

Question 16

Where is the lowest blood pressure?

Answer 16

In the veins

Question 17

What contracts between heart contractions keeping the blood pressure up?

Answer 17

Smooth muscle

Question 18

Where are a series of one way valves located?

Answer 18

In the veins

Question 19

What is the purpose of the one-way valves in the veins?

Answer 19

Keep the blood moving back to the heart

Question 20

What are heart beats simulated by?

Answer 20

Neural nodes

Question 21

What is the function of the sinoatrial node?

Answer 21

Signals to the atria to contract

Question 22

What is the functions of the atrioventricular node?

Answer 22

Signals the ventricles to contract

Question 23

What is the Chordae Tendinae?

Answer 23

Cords of connective tissue that keep the tricuspid and bicuspid valves from overshooting

Question 24

What is another name for red blood cells?

Answer 24

Erythrocytes

Question 25

What are the steps for blood clotting?

Answer 25

Thromboplastin is released from injured cells Prothrombin is converted into thrombin Thrombin converts fibrinogen into fibrin Fibrin begins to stick platelets into a network Platelets release more thromboplastin

Question 26

What is hypertension?

Answer 26

High blood pressure

Question 27

What is hemophilia?

Answer 27

The lack of blood clotting factors caused by the X chromosome

Question 28

What is sickle cell anemia?

Answer 28

Having malformed red blood cells

Question 29

What is leukemia?

Answer 29

A blood cancer disease found in white blood cells

Question 30

What is anemia?

Answer 30

A low rate of carrying CO2

Question 31

What is cardiovascular disease?

Answer 31

Arterial plaque build-up and damage