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:
Changing strategies when necessary.....
The answer is: A) bradycardia
explanation: the heart
Answer:
Maslow's hierarchy of needs order - physical, security, social, ego, self-actualization
