Circulatory System

Question 1

Heart

Answer 1

• pumps blood throughout body
• 4 chambers
• top=atria
• bottom=ventricles

Question 2

Blood vessels

Answer 2

Veins, Arteries, Capillaries

Question 3

Blood

Answer 3

Carries various substances that can be dissolved in plasma

Question 4

Blood travels from..

Answer 4

Heart to lungs

Question 5

At lungs…

Answer 5

CO2 leaves blood, O2 enters blood=gaseous exchange

Question 6

Oxygenated

Answer 6

More oxygen than carbon dioxide

Question 7

Deoxygenated

Answer 7

More carbon dioxide than oxygen

Question 8

One in heart…

Answer 8

Oxygenated blood is circulated to deliver oxygen to all cells in body, before returning back to the heart. At same time as it delivers oxygen, it collect carbon dioxide from cells

Question 9

High blood pressure

Answer 9

Force with which blood pushes agains walls of blood vessels is too high. Damage to capillaries and several organs.

Question 10

Heart attacks

Answer 10

Narrowing or a blood clot develops in one of the vessels that supply the heart with blood. Can stop blood flow, heart stops pumping blood

Question 11

Stroke

Answer 11

Cells in rain are deprived of oxygen. Often occurs as a result of blockage in blood vessels leading to brain, or when veins rupture

Question 12

Purpose

Answer 12

• transport blood with oxygen to cells
• transport blood with carbon dioxide back to lungs
• distribute nutrients from digestive system to cells
• removes waste products to be excreted