Blood in humans is always:

Complete the sentence. When the body breathes in, a blood cell takes _______________ from the lungs and stores it.

Complete the sentence. When the blood cell reaches the body cells, it drops off oxygen and picks up_____________________________.

When the blood cell reaches the lungs again, the body breathes out ____________________.

What is the function of blood?

How many liters of blood do we have in our body?

What are the components of blood?

What important chemical do red blood cells carry?

Red blood cells can live for_______________

All of the blood cells are made in our______________

The main function of white blood cells is to defend us from _______________

Some white blood cells make ________________

Platelets help create____________________ when a blood vessel breaks

Plasma is a _______________ color

Plasma forms ________ of our blood

There are _________ blood types

The main professions related to the Cardiovascular System are:

A ________________ allows doctors to listen to a person's heart rate.

Choose the main cardiovascular diseases:

The cardiovascular system is connected to _____________________