
Name some activities that would make you breathe faster and speed up your heart rate?
How many systems are in the human body?
Why do many parts of the body interact (work) with each other?
Match the vocabulary word with the correct definition on the right.
| Stavka koja se može prevući | arrow_right_alt | Odgovarajuća stavka |
|---|---|---|
Circulatory System | arrow_right_alt | All the systems within a living thing that work together to help it survive. |
Muscular System | arrow_right_alt | The number of times your heart beats each minute. |
Respiratory System | arrow_right_alt | A structure of thin tubes that carry blood throughout the body. |
Blood Vessels | arrow_right_alt | Pumps blood throughout the body providing it with oxygen and removing waste. |
Heart Rate | arrow_right_alt | Its main component is the lungs. It gets oxygen into your blood stream. |
Body Systems | arrow_right_alt | Made up of all your muscles, it helps us perform actions. |

What does the respiratory system do?
What happens when to the size of muscles when they contract?

What does the circulatory system do?

What does the muscular system do?

What does the digestive system do?