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8 Cards in this Set
- Front
- Back
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DNA |
Deoxyribonucleic Acid |
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Cell |
The cell is the basic functional unit of the human body. |
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Endocrine System |
The endocrine system communicates with the other systems, enabling them to be monitored and controlled. It uses chemical messengers, called hormones, which are secreted into the blood by specialized glands. |
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Lymphatic and immune system |
The lymphatic system includes a network of vessels and nodes, which drain tissue fluid and return it to the veins. Its main functions are to maintain fluid balance within the cardiovascular system and to distribute immune cells around the body. Movement of lymphatic fluid relies on muscles within the muscular system. |
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Digestive system |
As well as oxygen, every cell needs energy in order to function. The digestive system processes and breaks down the food we eat so that a variety of nutrients can be absorbed from the intestines into the circulatory system. These are then delivered to the cells of every body system in order to provide them with energy. |
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Muscular system |
The muscular system is made up of three types of muscle: skeletal, smooth, and cardiac. It is responsible for generating movement - both in the limbs and within the other body systems. For example, smooth muscle aids the dogestive system by helping propel food down the esophagus and tbrough the stomach, intestines, and rectum. The respiratory system needs the thoracic muscles to contract to fill the lungs with air. |
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Skeletal System |
The system uses bones, cartilage, ligaments, and tendons to provide the body with structural support and protection. It encases much of the nervous system within a skull and vertebrae, and the vital organs od the repiratory and circulatory systems within the ribcage. The skeltal system also supports our immune and the circulatory systems by manufacturing red and white blood cells. |
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Respiratory system |
Every cell in the body needs oxygen and must dispel carbon dioxide in order to function. The respiratory system ensures this by breathing air into the lungs, where the exchange of these molecules occurs between the air and blood. The cardiovascular system transports oxygen and carbon dioxide between the cells and the lungs. |
