The jugular veins are the two main veins in the neck returning blood from the brain to the heart. Their arterial counterparts are the carotid arteries.
Tubes that carry blood to the heart are veins. The two major veins that carry blood to the heart are the vena cava and the pulmonary vein.
The coronary arteries supply oxygenated and nutrient filled blood to the heart muscle. There are two main coronary arteries: right coronary artery and left coronary artery. Other arteries diverge from these two main arteries and extend to the bottom portion of the heart.
The left side of the heart pumps blood to the head and body. The right side of the heart pumps blood to the lungs
Pulmonary artery (to the lungs) Aorta (to the rest of the body.)
In your heart, the top two hollow sections are called atrium and the lower two are ventricles.
veins and arteries
abdomen
The North and the South were the two main sections of the US in the early 1800s up to the point of the Civil War.
The names of the two sides of the heart are the right heart and the left heart. The right heart is a low pressures pump that receives venous blood from the systemic circulation and pumps it to the lungs. The left heart is a high pressure pump which receives blood from the pulmonary veins and pumps it to the rest of the body via the aorta.
The float bowl and the venturi tube
the first one is called the cephalothorax
The spider's body is divided into two main sections: the cephalothorax (head and thorax combined) and the abdomen. These sections are connected by a narrow waist-like structure called the pedicel.
The term for the 4 sections of the heart muscle is the cardiac muscle.
Two main ones - New and Old Testaments.
how many ribs that covering the heart
there are far more than two main kinds of submarines. The only two sections I can think of to separate them are fast attack and Boomers or Ballistic Missle.