Answer:
wut are u saying, say it in egish please
Explanation:
Superior vena cava
Inferior vena cava
Right atrium
Tricuspid valve
Right ventricle
Pulmonary valve
Pulmonary arteries
Lungs
Pulmonary veins
Left atrium
Bicuspid valve
Left ventricle
Aortic valve
Aorta
The rest of the body
The blood vessel is the tube that carry’s blood to heart
Answer:
16.The circulatory system is composed of in nerve cells and spinal cord: TRUE
17.Leucocytes plays vital role in the body's immune system: true
19.Cell body maintains the health of a neuron.: false
20.Brain is the main organ of the respiratory system
true
Explanation: