CV System

Question 0

What are the two main types of blood vessel?

Answer 0

Arteries and veins

Question 1

What are the 3 main parts of the cv system?

Answer 1

Heart, blood and blood vessels

Question 2

What do arteries do?

Answer 2

Carry blood away from the heart

Question 3

What do veins do?

Answer 3

Carry blood to the heart

Question 4

What is the main purpose of the cv system?

Answer 4

Transport oxygen and nutrients around the body

Question 5

How many circuits are there in our bodies?

Answer 5

2

Question 6

What is the main circuit in the body?

Answer 6

Body circuit

Question 8

Oxygenated blood is..

Answer 8

Carried around the body in the arteries

Question 9

What does the other circuit include?

Answer 9

Lungs

Question 10

What happens in the other circuit?

Answer 10

Deoxygenated blood is carried from the heart to he lungs to be oxygenated
Blood then goes back to the heart to be pumped around the body circuit

Question 11

Heart rate

Answer 11

Number of times your heart beats per minute

Question 12

Stroke volume

Answer 12

Amount of blood each ventricle pumps wit each contraction

Question 13

Cardiac output (equation)

Answer 13

Heart rate x stroke volume = cardiac output

Question 14

Blood pressure

Answer 14

Force exerted by blood on walls of blood vessels

Question 15

Systolic pressure

Answer 15

Blood pressure in arteries when ventricles contract

Question 16

Diastolic pressure

Answer 16

Blood pressure in arteries when ventricles relax

Question 17

Exercise - short term effects on cv system

Answer 17

Heart rate increases - increase blood supply to muscles

Heart contracts more strongly - increases blood pressure

Question 18

Exercise - long term effects on cv system

Answer 18

Heart gets bigger and stronger 
Stroke volume and at cardiac output increase
Resting heart rate decreases
Blood pressure decreases 
Recovery time increases

Question 19

Diet - what affect does eating a high saturated fat and salt diet have on your cv system?

Answer 19

Blood pressure and cholesterol leaves increase

Question 20

LDL

Answer 20

Low-density lipoprotein

Question 21

HDL

Answer 21

High-density lipoprotein

Question 22

Which is known as he ad type? LDL or HDL?

Answer 22

LDL

Question 23

What does LDL do?

Answer 23

Transports cholesterol to your cells

Question 24

What does HDL do?

Answer 24

Helps get rid of excess cholesterol from the body

Question 25

Why is having a lot of HDL a good thing?

Answer 25

Helps stop a build up of cholesterol

Question 26

What affect do drugs, alcohol, smoking and nicotine have on your blood pressure?

Answer 26

Increase it

Question 27

Deoxygenated blood is…

Answer 27

Carried back to the heart along the veins