The major circulatory system structures are the heart, arteries, arterioles, capillaries and veins.
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The major structures of the digestive system are the mouth, esophagus, stomach, small intestines, large intestines, rectum and anus. The liver, pancreas, and gallbladder also aid in digestion.
The three major structures of the cardiovascular system are the heart, blood vessels (arteries, veins, and capillaries), and blood. The heart pumps blood through the blood vessels to deliver oxygen and nutrients to the body's tissues and organs, while removing waste products.
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The most important part of the nervous system is the central nervous system because this system is made up of the brain and the spinal cord.
The circulatory system is a network of blood vessels, including arteries, veins, and capillaries, that transport blood throughout the body. The heart pumps blood to deliver oxygen and nutrients to cells and remove waste products. This system plays a crucial role in maintaining homeostasis and supporting the body's functions.
The major structures of the muscular system highlight the skeletal muscles. These are the muscles involved with contracting and moving body parts. The smooth muscles are the domain of the subconscious mind, (most organs). The tendons and ligaments connect the bones together as well as the muscles to the bones. And Adipose tissue is a connective tissue that stores fat and cushions joints.
The integumentary system protects and covers internal structures.
the axial skeleton protects all the major organs in the body it also protects the nervous system in the verebrae
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