In the heart you, (going down the right side than left) have the superior vena cava, pulmonary artery, pulmonary veins, right atrium, aortic valve, tricuspid valve, right ventricle, inferior vena cava, (now left side of heart) aorta, pulmonary artery, pulmonary veins, left atrium, pulmonary valve, mitral valve, left ventricle, septum. The heart is composed of cardiac muscle , an involuntary tissue which is found only within this organ.
Next are the lungs, starting with right, there is (starting with right) superior lobe horizontal fissure, oblique fissure, middle lobe, diaphram, now with the right lung but fist off, btw. the two lungs are the main bronchii , left and right. then lingular division bronchus, carina of trachea, intermediate bronchus, superior and inferior, oblique fissure, cardiac notch, lingula of lung, and finally inferior lobe
then we have the vein, pulmonary veins, jugular veins, portal vein, superior vena cava, inferior vena cava, Iliac vein, femoral vein, popliteal vein, great saphenous vein, small saphenous vein, than small saphenous vein.
arteries
circulatory system
circulatory system
the nervous system and the circulatory system
It's the circulatory system
O indeed it is(: Yourwelcomee! By:H.B.
Depends on the circulatory system
Circulatory System
The entire circulatory system.
circulatory system
The heart is the muscle that functions as the circulatory pump within the body. It is responsible for pumping blood throughout the circulatory system to deliver oxygen and nutrients to the body's tissues and organs.
Muscle and the spleen and the heart and the lungs and the mouth
It is the heart.