Term | Definition |
Homeostasis | is the maintenance of a constant internal environment when outside conditions change |
The Muscular System | allows movement of the body and works with the skeletal system to help you move |
Skeletal System | is made up of bones, ligaments and cartilage. It supports the body and protects important organs. It also makes blood cells. |
The Male Reproductive System | produces sperm and delivers it to the female reproductive system |
The Female Reproductive System | Produces eggs and nourishes a developing fetus. |
The cardiovascular system | Moves blood through the body. The heart is the pump for this system. Blood flows through blood vessels |
The Respiratory System | Gathers oxygen from the environment and gets rid of carbon dioxide from the body. The exchange occurs in the lungs. |
The Excretory System | Gets rid of body's wastes. The urinary system removes waste from blood. The skin, lungs, and digestive system also remove wastes from the body. |
The Digestive System | Breaks down food into nutrients that can be used by the body. The stomach breaks down food into tiny pieces. Nutrients are absorbed in the small intestine. |
The Nervous System | Collects information and responds to it by sending electrical messages. This information may come from outside or inside the body. The brain is the center of this system. |
The Lymphatic System | Returns leaked fluid back into the blood. As a major part of the immunes system, it has cells that help get rid of invading bacteria and virusis. |
THe Endocrine System | Makes chemical messages. THese messages help to regulate conditions inside the body. They also influence growth and development. |
The Integumentary System | The protective covering of the body. It includes the skin, hair and nails. As part of the immune system, the skin acts as a barrier that protects the body from infection. |