General Science- Blood and The Circulatory System Part 2

Question 1

What is the most common cause of death in the USA?

Answer 1

Heart Disease

Question 2

What 2 things can Heart Disease lead to?

Answer 2

Heart Attack

Heart Failure

Question 3

What contributes to the development of Heart Disease?

Answer 3

High Cholesterol
High Blood Pressure
Smoking
Lack of Exercise

Question 4

Carries blood away from the heart and to the tissues.

Answer 4

Arteries

Question 5

What are the branches of smaller arteries called?

Answer 5

Arterioles

Question 6

Arterioles supply blood to the tissues via what?

Answer 6

Capillaries

Question 7

Which is the only artery in the body that does not contain oxygenated blood?

Answer 7

Pulmonary Artery

Question 8

What is the structure of an artery and why?

Answer 8

Thick walled.

Because they carry oxygenated blood at high blood pressure.

Question 9

What carries blood to the heart from other parts of the body?

Answer 9

Veins

Question 10

What is the structure of a vein and why?

Answer 10

Thinned wall.

Because they drive blood to the heart at low blood pressure.

Question 11

Why do veins contain many valves?

Answer 11

To prevent backflow

Question 12

What does the blood look like in the veins?

Answer 12

Dark red, deoxygenated blood.

Question 13

Do veins have a pulse?

Answer 13

No

Question 14

What is the special vein and how so?

Answer 14

The Pulmonary Vein

The blood is oxygenated from the lungs and goes back into the heart.

Question 15

What are thin-walled vessels that are vey small in diameter?

Answer 15

Capillaries.

Question 16

What is the function of a Capillary?

Answer 16

They permit exchange of materials such as Oxygen, CO2, Nutrients, and Waste between blood and the body’s cells.

Question 17

Capillaries permit the exchanges with cells through what?

Answer 17

Diffusion

Question 18

Hypertension is aka what?

Answer 18

High Blood Pressure

Question 19

What can high blood pressure cause?

Answer 19

Damage to blood vessels

Damage to other parts of the body like Kidneys

Question 20

What can help prevent and manage Hypertension?

Answer 20

Limit Salt Intake, Maintain weight, and exercising.

Question 21

What does blood consist of?

Answer 21

Cells suspended in plasma.

Question 22

What three types of cells are in the blood?

Answer 22

Red, White, and Platelet.

Question 23

Oxygen carrying cells.

Answer 23

Red Blood Cells

Question 24

Blood cells that fight off infection by destroying foreign organisms.

Answer 24

White Blood Cells

Question 25

Cell fragments that allow blood to clot.

Answer 25

Platelets

Question 26

Where are all blood cells created in?

Answer 26

The bone marrow.

Question 27

What does it indicate when White Blood Cells are elevated than normal?

Answer 27

The body is fighting off some sort of infection by either bacteria or a virus.

Question 28

4 Different blood types?

Answer 28

A, B, AB, O

Question 29

What does the positive of negative designation symbolize?

Answer 29

Whether the cells have a third type of antigen called Rh factor.

Question 30

When a person has RH- Blood they can’t what?

Answer 30

Receive positive type blood.

Question 31

Can a person with a positive blood type receive a negative blood type?

Answer 31

Yes

Question 32

Why are Type O Negative bloods the universal donor?

Answer 32

O positive blood can be given to anybody positive, but O negative can be given to everybody.

Question 33

Which one is the universal recipient?

Answer 33

AB positive.