Question

form of statements.
2. Heart muscles are cardiac muscles.
returns to the left auricle.
of single pericardial membrane.
68-72 times per minute.
D. State whether the following statements
true or false. If false, rewrite the correr
4. Valves in the veins open on both sides.
5. Heart is enclosed in a thin pericardium formed
1. Human body has 4 to 6 litres of blood.
3. Impure blood from different parts of the body
6. In a normal healthy person, the heart beats​

Answer 1

Answer:

1. true

2. true

3. false

right auricle

4. false

one side

5. false

6. true