Circulatory System

7th Grad Science2009 – 2010

Coombs

Function of the Circulatory System

Transports wastes, nutrients, and other materials throughout the body

What makes up the Circulatory System?HeartBlood VesselsBlood

The HeartAn organ that pushes blood throughout the circulatory system.

•Made up of two pumps:•Pump to the lungs to pick up oxygen & drop of carbon dioxide•Pump to the rest of the body to drop off oxygen & pick up carbon dioxide.

The HeartLabel the parts

of the heart:1. Right Atrium2. Right Ventricle3. Left Ventricle4. Left Atrium

1

2

3

4

Blood VesselsArteries: vessels

that take blood away from the heart.Strong walls

Veins: vessels that carry blood back to the heart.Thinner

Capillaries: connects arteries with veins.

The BloodPlasmaRed Blood Cells

White Blood Cells

Platelets

Plasma

Liquid portion of the blood that contains proteins, glucose, hormones, gases and other substances.

Red Blood CellsCarries oxygen from the lungs to the rest of the body.

White Blood CellsFight infection by attacking disease-causing organisms.

PlateletsLarge cell fragments that help form blood clots.

What are the four types of blood?

What blood type is the most common?

http://kidshealth.org/PageManager.jsp?lic=1&article_set=59298&cat_id=20607

Kids Health

Blood Mobile Songhttp://www2.fi.edu/exhibits/permanent/resour

ces/heartsongMed.mpg

Blood Cellhttp://www.britannica.com/EBchecked/media/

68270/In-a-circuit-through-the-cardiovascular-system-red-blood-cells

Cinquain PoemA cinquain is a non-rhyming poem that has five lines.

Line 1: One word; the name of the organ (noun)

Line 2: two words that describe the organ (adjectives)

Line 3: three words; an action that your organ performs (verbs)

Line 4: four words; a feeling about line 1

Line 5: one word; a synonym or a word referring back to line 1