B3: Heart, Lungs And Blood Structure Flashcards Preview

Biology > B3: Heart, Lungs And Blood Structure > Flashcards

Flashcards in B3: Heart, Lungs And Blood Structure Deck (14):
1

What do red blood cells do?

Contain haemoglobin that binds oxygen to transport it from lungs to tissues

2

What do white blood cells do?

Protect the body from pathogens and produce antibodies

3

What does plasma do?

Carries, red blood cells, white blood cells and platelets around the body

4

What do alveoli do?

They have a large surface area and a large supply of blood capillaries so gases can diffuse in and out of the blood as efficiently as possible

5

What are capillaries?

They form a huge network of vessels linking arteries and veins allowing oxygen to diffuse easily out of your blood to your cells

6

What do valves do?

Ensure blood flow in the right direction

7

What do veins do?

Carries blood away from organs to the heart

8

What do arteries do?

Carries blood away from heart to organs

9

What do stents do?

Used to keep narrowed / blocked arteries open

10

What do statins do?

Reduce cholesterol levels in blood, reducing risk of coronary heart disease

11

What does the pulmonary artery do?

Takes deoxygenated blood to lungs

12

What does the vena cava do?

Brings deoxygenated blood to the heart

13

What does the pulmonary veins do?

Bring oxygenated blood from lungs to heart

14

What does the aorta do?

Carries oxygenated blood around the body