Answer:
When groups of tissues work together, they are called organs. Some examples of organs are the heart, lungs, skin, and stomach. When organs work together, they are called systems. For example, your heart, lungs, blood, and blood vessels work together. They make up the circulatory system.
Explanation:
Answer:
i think its becoming a medical doctor
Explanation:
because all of the other options consist of what is happening in the present while becoming a doctor is a goal you can have for a while. you have to work up to that goal for the future.