Which activity is good for the heart?
exercise
When we breathe air goes through our _____ and into our ____and then to our _____.
Nose / Trachea / Lungs
Our respiratory and circulatory system move the _______ and the _______ we need through our bodies. This is part of nutrition.
oxygen and nutrients
What is this?
Nose
It is better to breathe through the .... A. Nose. B. Mouth Why?
Nose. Because our noses clean and warm the air. Also, when we breathe through our mouth it gets dry.
What are these?
Lungs
Which carries the blood to all parts of the body?
blood vessels
The oxygen passes into the. A. Blood B. Intestines
Blood
Our bodies need this from the air.
Oxygen
What is this?
Trachea
Which pumps the blood through our body?
heart
What organ fills with air when we breathe?
Lungs