The heart

What four things does the heart move?

• Blood

• Carbon Dioxide

• Oxygen

• Gases

• Nutrients

Mammals and birds Heart consist of...

• 2 Atria & 2 ventricles

• 2 atria & 1 ventricle

• 1 atrium & 1 ventricle

Reptiles & Amphibians hearts consist of...

• 2 atria & 1 ventricle

• 2 atria & 2 ventricles

• 1 atrium & 1 ventricle

Fish hearts consist of...

• 2 atria & 2 ventricles

• 2 atria & 1 ventricle

• 1 atrium & 1 ventricle

The brain is __% water

• 0%

• 72%

• 85%

• 75%

Bones are __% water.

• 8%

• 82%

• 22%

• 7%

Blood is __% water.

• 4%

• 92%

• 88%

• 91%

Muscles are __% water

• 75%

• 12%

• 42%

• 99%

Blood clot

• fluid blood is mostly water and needs fluid to maintain proper levels. Leads to thickening of the blood and more difficulty with flow throughout the body

• a dried and compacted blood glob which prevents fluid blood from passing through the circulatory system

• the movement of blood through the vessels from arteries to the capillaries and then into the veins.

Dehydration

• fluid blood is mostly water and needs fluid to maintain proper levels. Leads to thickening of the blood and more difficulty with flow throughout the body

• Lack of oxygen in blood

•  a dried and compacted blood glob which prevents fluid blood from passing through the circulatory system