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VOCABULARY
MARINE BIOLOGY WORDS
| Term | Definition |
|---|---|
| kidney | important for cleaning the blood of excess ions in the blood stream |
| gonads | In males sperm is produced here |
| gill | Water flows over this bringing oxygen to exchange in the capillaries located within |
| anus | waste materials exit the digestive system. |
| vertebrae | important for protecting the spinal cord of the fish. This is also made out of cartilage. |
| anal fin | important for movement or swimming and is located near the anus. |
| caudal fin | important for the fish to maintain balance and position as it swims. |
| swim bladder | helps the fish control its depth in the water column |
| mouth | the opening of the oral cavity. Food enters this for the digestive system |
| Haemal spine | contains part of the nervous system below the vertebrae. It also functions as part of the support system of the fish. |
| neural spine | contains part of the nervous system above the vertebrae and also functions as part of the support system of the fish. |
| intestine | where the final digestion takes place and nutrients are absorbed into the bloodstream. |
| eye | It collects visual data from the fish's surrounding environment and transmits it to the brain. |
| ventral aorta | brings de-oxygenated blood to the gills for gas exchange. |
| gill rakers | protect the fragile gills from particulates in the water |
| dorsal fin | important for the fish to maintain its balance and position as it swims. |
| heart | n important part of the circulatory system by acting as a pump to deliver blood to tissues and cells |
| liver | very large organ that has many functions. |