The heart rate is different while dancing, studying and riding a bike because the amount of blood needed for each activity is different. Blood pumps as fast as it as needed by the cells, which is why riding a bike has fast heart rate while studying has a regular heart rate.
That will be answer A your urinary system
Just macroanatomy right?
I would say A, as the only answer.
Hope that helps,
Answer:
Noam Chomsky's Theory Of Universal Grammar Is Right; It's Hardwired Into Our Brains. In the 1960s, linguist Noam Chomsky proposed a revolutionary idea: We are all born with an innate knowledge of grammar that serves as the basis for all language acquisition.
Explanation:
