Circulatory system 🩸

Question 1

The are the three components of the circulatory system

Answer 1

• Blood
• Blood vessels
• Heart

Question 2

More than half of your blood is made of a liquid called:

Answer 2

Plasma

Question 3

What is the job of red blood cells?

Answer 3

They are responsible for the circulation of gasses throughout the body

Question 4

What is the job of white blood cells?

Answer 4

They are immune cells that fight off harmful pathogens trying to infect the body

Question 5

What is the job of platelets/thrombocytes?

Answer 5

They clot blood when a wound is made to ensure no blood cells are lost throught the wound

Question 6

What are arteries?

Answer 6

They are blood vessels that carry blood from your heart to the body

Question 7

What are veins?

Answer 7

They are blood vessels that carry blood to the heart from the body.

Question 8

What are capilaries?

Answer 8

Capillaries are the smallest blood vessels in the body, connecting the smallest arteries to the smallest veins.

Question 9

What does blood consist of?

Answer 9

• Gases
• Food
• Wastes
• Hormones
• Immmune cells
• Plasma
• White blood cells and platelets

Question 10

What are the primary roles of blood circulation in the body?

Answer 10

To provide and circulate blood to all the parts of the body (replenishing).

To get rid of wastes (carbon dioxide)

Question 11

Describe the pathway of blood flow through the heart, detailing the movement of blood from its entry to its exit.

Answer 11

Superior/Inferior vena cava–>Right atrium –> Right ventricle –> pulmonary artery –> lungs –> pulmonary vein –> left atrium–> left ventricle –> aorta

Question 12

What are the functions of the four main heart chambers, and where are they located?

Answer 12

Right atrium: To carry de-oxygenated blood to the right ventricle

Right ventricle: To carry de-oxygenated blood to the pulmonary artery

Left atrium: To carry oxygenated blood from the pulmonary vein to the left ventricle

Left ventricle: To carry oxygenated blood from the left atrium to the aorta

Question 13

What are the functions of the four main heart valves, and where are they located?

Answer 13

Tricuspid Valve

Function: This valve controls blood flow from the right atrium to the right ventricle. It ensures blood does not flow backward
Location: Between the right atrium and the right ventricle.

Pulmonary Valve

Function: This valve controls blood flow from the right ventricle into the pulmonary artery, which carries blood to the lungs for oxygenation. It prevents blood from flowing back.
Location: Between the right ventricle and the pulmonary artery.

Bicuspid Valve (Mitral Valve)

Function: This valve controls blood flow from the left atrium to the left ventricle. It ensures that blood does not flow backward.
Location: Between the left atrium and the left ventricle.

Aortic Valve

Function: This valve controls blood flow from the left ventricle into the aorta, which carries oxygen-rich blood to the rest of the body. It prevents blood from flowing back.
Location: Between the left ventricle and the aorta.

Question 14

Explain the significance of the circulation of blood through the coronary arteries.

Answer 14

So that the muscles that control the expansion and contraction of the heart can be replenished with oxygenated blood. If there is error in this process then this will reesult in heart faliure.

Question 15

What are coronary arteries

Answer 15

Coronary arteries supply blood to the heart muscle.

Question 16

What are the main components of the circulatory system, and how do they work together to ensure blood circulation?

Answer 16

The main parts include: The heart, blood vessels, and blood
The circulatory system has three main parts: the heart, blood vessels, and blood. The heart pumps blood, blood vessels carry blood to or from the heart, and blood carries requires substances for the body.

Question 17

How do capillaries facilitate the exchange of nutrients and waste products between the blood and body tissues?

Answer 17

Because the capillary walls are so thin gasses and nutrients can be easily passed through diffusion or osmosis.

Question 18

What are the two main types of circulatory systems found in animals?

Answer 18

Open system and closed system

Question 19

What is the difference between arteries and veins in terms of structure and function?

Answer 19

Arteries carry oxygenated blood to the different parts of the body, whereas veins carry deoxygenated blood from the body parts to the heart. Arteries are thicker, rounder, and larger in shape whereas veins are thinner, flatter, ans smaller in shape.

Question 20

lebel this diagram

https://i.pinimg.com/736x/6e/3b/5a/6e3b5a79c22a8b7b12fdb199caec7360.jpg

Answer 20

1. Aorta
2. Superior vena cava
3. Pulmonary artery
4. Pulmonary vein
5. Right atrium
6. Tricusphid valve
7. Right ventricle
8. Inferior vena cava
9. Pulmonary artery
10. Pulmonary vein
11. Left artium
12. Bicupsid valve
13. Aortic valve
14. Left ventricle
15. Inferiour vena cava

Question 22

Write about the chambers of the heart

Answer 22

The heart consists of 4 chambers: The right atrium, the right ventricle, the left atrium, and the left ventricle. The heart pumps blood through these four chambers to then deliver oxygen, food, and wastes to the different parts of the body. The order is the following: De-oxygenated blood comes through the right atrium, then gets pumped through the valve to the right ventricle, then blood gets pumped to the pulmonary artery which then goes to the lungs for oxygen, then oxygenated blood comes back to the heart through the pulmonary vein, then to the left atrium, then the left ventricle and out through the aorta.

Question 23

Explain the circulation of blood in your heart

Answer 23

First, the red blood cell would come to the heart to be replenished (deoxygenated). The red blood cell will enter from either the inferior or superior vena cava, and then go to the right atrium. The red blood cell will then be let into the right ventricle by the tricuspid valve, The blood cell will then go through the pulmonary artery let in by the pulmonary vein. The blood will be oxygenated on its way back through the pulmonary vein. The blood will then go to the left atrium, then to the left ventricle let in by the bicuspid valve. And finally up and out through the aorta let in by the aortic valve.

Question 24

What does the term “double circulation” mean?

Answer 24

Becuase we have both a systemic circulation and a pulmonary circulation therefore it is considered we have a double circulation.

Question 25

How many valves are in the heart

Answer 25

4, the aortic, pulmonary, bicuspid , and tricuspid

Question 26

What is the ventricular septum

Answer 26

Prevents the mixing of blood from the right atrium and ventricle to the left atrium and ventricle.

Question 27

What are atrioventriclular valves

Answer 27

Prevent backflow from the ventricles into the atria during systole.

Question 28

What are the 2 types of atrioventricular valves

Answer 28

Bicuspid and Tricuspid

Question 29

What are semilunar valves

Answer 29

These valves allow blood to be pumped forward into the arteries, but prevent backflow of blood from the arteries into the ventricles.

Question 30

What are the 2 semilunar valves

Answer 30

Pulmonary and aortic

Question 31

What is pulmonary and systemic ciruclation

Answer 31

pulmomary= The circulation of blood from the heart to the lungs and from the lungs to the heart
systemic=The circulation of blood from the heart ot the body and from the body to the heart

Question 32

What is systole and diastole

Answer 32

Systole occurs when the heart contracts to pump blood out, and diastole occurs when the heart relaxes and refills after contraction.