C10 - Circulatory System - Caleb Guesno | Library

1

Oxygen gas enters cells by...

1

The powerhouse that pumps oxygen where it needs to go is called the "__________"

1

Word Bank:
thick
thin
diffusion
oxygen
capillaries
carbon dioxide

The alveoli walls are made of _______ flat cells. The cells are surrounded by _______. Together, the capillaries and thin alveoli cells  make a two-cell thick membrane that brings blood and _______ close enough for _______. 

1

Our lungs architecture ensure that very little oxygen is

1

Word Bank:
loved
lungs
close
far
upside
kidney

Red Blood Cells (RBC's) traveling in vessels in the _______ can only pick up oxygen molecules that are very _______ to them. 

1

The brain initiates breathing by sending a message through the

1

Red Blood cells are made in the cavities of our...

1

To make red blood cells, the body uses raw _______ from the food we _______ and digest. 

Word Bank:
clear
food
materials
eat
transit

1

For oxygen to reach the cells in our body what does it need?

1

Arteries are _______ blood vessels that carry blood from the _______ to the rest of the body. This blood is rich in oxygen and _______. 

1

As blood makes it's way back the heart it picks up

1

Word Bank:
deoxygenated blood
organs
removed
veins

Blood is circulated back to the heart through blood vessels called _______. Veins deliver _______ back to the heart. On the way back to the heart, waste products in the blood are routed to other _______ where they are _______ for disposal. 

1

Capillaries merge into larger vessels called...

1

Word bank:
capillary
tissues

The smallest branches of blood vessels is called the _______. At capillaries, oxygen is transferred from the blood to the _______. 

1

5

Create and label your own diagram of the circulatory system.
Here are a few examples that you can use to create your own.
For your own information,
* Ventricles and atriums are chambers in the heart that help it pump blood.
* The pulmonary circuit is the blood vessels in the lungs.
* The aorta and vena cava's are the main blood vessels that enter and leave the heart.
* Arteries carry blood away from the heart.
* Veins carry blood to the heart.
* Capillaries are where oxygen is dropped off to neighboring tissue.

Example 1:

Example 2: