Answer: True
Explanation:
The cardiovascular system includes the heart and blood vessels. The function of the heart is to pump out oxygenated blood via blood vessels to all the parts of the body. The blood vessels arteries, veins and capillaries contribute to the transfer and distribution of the blood.
Answer:
C. Macrophages
Explanation:
Macrophages are derived from monocytes of the bone marrow. They migrate to connective tissue and are in charge of phagocytosis of foreign particles. They also participate in the enhancement of inmunological activities of lymphocytes. Macrophages can be found in infection sites, since they detect, phagocytose and destroy bacteria and other harmful organisms.
The correct answer is D. Repeating words that someone else has said.
Explanation.
The word "Echolalia" mainly used in certain fields of medicine such as psychology and psychiatry refers to the automatic or involuntary repetition of words or vocalizations made by someone else that is part of imitative behavior and mainly occur without awareness. Additionally, echolalia is related to short-term memory and can also be an indicator of autism, schizophrenia, epilepsy and other diseases or disorders and because of this echolalia has been widely studied in medicine. Therefore echolalia means repeating words that someone else has said.