The *heart* is the main organ of the circulatory system.
The circulatory system consists of three independent systems that work together: the heart (cardiovascular), lungs (pulmonary), and arteries, veins, coronary and portal vessels (systemic). The system is responsible for the flow of blood, nutrients, oxygen and other gases, and as well as hormones to and from cells.
Answer:
The answer is C - Naturalistic
Explanation:
Naturalistic theory is a philosophical and artistic view based on the belief that nothing exists beyond the natural world and all explanations come from the laws of nature. It proclaims that everything in the universe are natural and all understanding of the universe falls within scientific investigation.
Cell Nucleus, in his honor motion of particles suspended in a fluid was named <span>Brownian motion.</span>
This process is known as synaptic pruning.
Synapse pruning is the process when the synapses are eliminated and it occurs usually in the early childhood. Synapses that are eliminated are the ones that organism no longer needs. Synaptic pruning process is regulated and influenced by environmental factors.
