The human circulatory system is composed of a network of arteries, veins, and lymphatic vessels that carry blood and lymph throughout the body. An essential task by which the circulatory system helps the body maintain homeostasis is A
distributing white blood cells that attack disease across different organs.

B
destroying harmful toxins.

C
breaking down inorganic substances that can be used by different organs.

D
causing the growth of muscles.

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks

In 2015, about ten percent of total u.s. energy consumption was from renewable energy sources. renewable energy plays an important role in reducing greenhouse gas emissions. when renewable energy sources are used, the demand for fossil fuels is reduced. sanjay and his family want to cut back on their use of non-renewable resources at home. they are thinking of an alternate way to heat their home without adding more greenhouse gases or pollutants to the environment. which renewable resource would not fit into their plan? a) solar power b) burning wood c) constructing a wind turbine eliminate d) generating hydroelectric power

In the respiration-photosynthesis cycle shown above, what are the products of cellular respiration that belong in box 2?