Answer:
Blood vessels (Veins)
Explanation:
Blood vessels are vessels in the human body that helps in the circulation of blood being pumped from the heart.
There are five types of blood vessels namely:
Arteries: helps in carrying oxygenated blood away from the heart to other parts of the body.
Veins: helps in carrying deoxygenated blood back to the heart.
Capillaries: are tiny vessels that connect the venules to arterioles, they allow nutrients from the blood to pass into the body tissues and also waste products from body tissues pass into the capillaries.
Venules: collects blood from the capillaries and sends it to the veins.
Answer: The systems will not act right and the body will become out of control
Explanation:
Answer:
Explanation:
2-They live in burrows that they dig into the soil. This helps
aerate the soil and improve plant growth.
Crab feeding and burrowing mixes nutrients into the soil,
which is also good for plants. (important)
Fiddler crabs also promote marsh
plant growth that is important for the protection of coastal
cities from hurricanes.
B.........................
