Aircraft systems
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¡Escribe tu texto aquíSKELETAL SYSTEM
The human skeletal system consists of all of the bones, cartilage, tendons, and ligaments In the body. Altogether, the skeleton makes up about 20 percent of a person’s Body weight. An adult’s skeleton contains 206 bones. Children’s skeletons Actually contain more bones because some of them, including those of the skull, Fuse together as they grow up. There are also some differences in the male and Female skeleton. The male skeleton is usually longer and has a high bone mass. The female skeleton, on the other hand, has a broader pelvis to accommodate for Pregnancy and child birth. Regardless of age or sex, the skeletal system can be Broken down into two parts, known as the axial skeleton and the appendicular Skeleton.
CARDIOVASCULAR SYSTEM
Combined With the cardiovascular system, the circulatory system helps to fight off Disease, helps the body maintain a normal body temperature, and provides the Right chemical balance to provide the body’s homeostasis, or state of balance Among all its systems.
The Circulatory system consists of four major components:
The Heart: About the size of two adult hands held Together, the heart rests near the center of the chest. Thanks to consistent Pumping, the heart keeps the circulatory system working at all times.
Arteries: Arteries carry oxygen-rich blood away from the Heart and where it needs to go.
Veins: Veins carry deoxygenated blood to the lungs Where they receive oxygen.
Blood: Blood is the transport media of nearly Everything within the body. It transports hormones, nutrients, oxygen, antibodies, And other important things needed to keep the body healthy.!