The answer is : Tar
Tar is some sort of residual substance that we commonly found in tobacco products, which could cause the symptoms you've mentioned above
not only that, Tar is a highly carcinogenic substance, which mean that it generate high risk of cancer it get into our system
Answer: E
Explanation: pulmonary means lungs. after the blood goes to the lungs it comes back to the left atrium.
Answer:
chemotherapy is the answer
Answer:
Social components influencing addiction include, though not exhaustively, neighbourhood crime, availability of the substance, tolerance and acceptance of drug use and poor support from community and society in battling the problem [6].
What are the physiological effects of drugs?
They speed up messaging to and from the brain, making you feel more alert and confident. This can cause increased heart rate, blood pressure and body temperature, reduced appetite, agitation and sleeplessness. In large amounts stimulants may cause anxiety, panic, seizures, stomach cramps and paranoia
Explanation: