B just specialized beaks pls put the answer like Brainly answer
I’m pretty sure it’s hydrogen if I’m wrong I’m really sorry
The answer is The Doppler Effect. It is named after the Austrian physicist Christian Doppler, who described the phenomenon in 1842.
Answer:
A. Blood is pushed through vessels
Explanation:
Heart muscles contract and relax. The most important effect of this action on the human body is Blood is pushed through vessels.
Hope it will help :)❤
The answer is True.............................
