Question

The heart _____(be) one of the most awesome organ_____(find) in the human body. The

heart‟s job is _____(keep) oxygen- rich blood ______(flow) through the body. All the

body‟s cells need a constant supply of oxygen, especially four to five minutes after the

oxygen______(cut off). The heart is a specialized muscle that ______(serve) as a pump.

The pump _______(divided) into four chambers_______(connect) by tiny doors called

valves.​

Answer 1

The heart is one of the most awesome organ found in the human body. The heart's job is to keep oxygen-rich blood flowing through the body. All the body's cells need a constant supply of oxygen, especially four to five minutes after the oxygen is cut off. The heart is a specialized muscle that serves as a pump. The pump is divided into four chambers connected by tiny doors called valves.

Answer 2

Answer:

1. The heart been one of the most awesome organ found in the human body .

2. The heart's job kept oxygen - rich blood flowed through the body.

3. All the body 'S cell need a constant supply of oxygen, especially four to five minutes after the oxygen cut off.

4. The heart is a specialized muscle that served as a pump.

5. The pump divides into four chambers connected by tiny doors called valves.