The right answer is C. thermoregulation and hormone transport.
The cardiovascular system has the function of distributing the blood to the organs.
Blood is a red and slightly viscous liquid that circulates in the blood vessels, propelled by the heart, is essential to the maintenance of life. It transports nutrients, oxygen and hormones to the cells of the body, and rids them of their waste.
Blood circulation helps control body temperature and regulates the volume of certain liquids in the tissues. In addition, the blood carries white blood cells, which defend our body against germs.
Answer:
In primary succession, newly exposed or newly formed rock is colonized by living things for the first time. In secondary succession, an area that was previously occupied by living things is disturbed, then re-colonized following the disturbance.
Mutualism is a symbiotic relationship between organisms in which each species benefits and is unharmed.
An example would be flowers and bees. Flowers give bees pollen and nectar, and the bees help with the reproduction of flowers.
