True, as there are flu shots wtc to stop you from contracting flu
Explanation: Chemicals
There are four primary chemicals in the brain that effect happiness: dopamine, oxytocin, serotonin, and endorphins. By designing gamified experiences that activate these chemicals, you can increase your users' happiness and loyalty.
Answer:
The correct answer is option b. phosphorylcholine.
Explanation:
Endocytosis of Streptococcus pneumoniae by different body cells is triggered by the Phosphorylcholine. Phosphoorylcholine is an antigenic cell-surface component present on many pathogenic bacteria and commensals such as Streptococcus pneumoniae.
The autoantibodies that present in the bodies are due to phosphorylcholine that is created by CD8+ and B cells.
Thus, the correct answer is option b. phosphorylcholine
Saturated and trans fatty acids they can both raise cholesterol levels