Answer:
Psychoactive drug can changes brain function because of the presence of chemical substances which results in the change in mood, behavior temporary. Many of these substances causing habit forming. The example of such drugs is coffee, alcohol
Explanation:
pls give brainly
When used as directed, or in limited quantities, alcohol and other depressants can provide feelings of relaxation and reduce the symptoms of anxiety. Alcohol and other depressants do lead to intoxication.
P wave is the atria “firing”/depolarizing, the QRS complex is the ventricles depolarizing (and the atria are depolarizing while this happens), and the T wave is the ventricles depolarizing. Depolarizing is when it contracts, and repolarizing is when it relaxes and refills.
Answer:
The correct answer is option A. False.
Explanation:
John Scott Haldane described a property of hemoglobin which is termed as the Haldane effect. Displacement of carbon dioxide from the hemoglobin of blood by oxygen in the lungs. It promotes the removal of CO₂ from the blood. This process is the Haldane effect.
Decrease in the affinity of the oxygen to binding with hemoglobin in response to a decrease in blood pH due to increased CO₂ concentration in the blood. It is the Bohr effect.
Thus, the correct answer is option A. false.
