Will you help me with a question
Answer:
More than 7000 chemicals are present in tobacco smoke.
Explanation:
In these 7000 chemicals, 250 are harmful to the human body such as carbonmonoxide, ammonia and hydrogen cyanide etc. There are some chemicals that are found in tobacco smoke which causes cancer disease in human. About 69 chemicals out of 250 are present in tobacco smoke that causes cancer disease. So its consumption is dangerous for health.
This
is a specific response because in order to fight antigens, white blood cells,
the most important cells of the immune system, must produce large, Y-shaped
proteins known as antibodies to fight these invaders. This is a type of
specific defense (as I have identified antibodies as specific defenses is the
chart above).
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It’s true, there are more insects than there are any other specie and more kinds
The human cells will lose totipotency
about 4 days after fertilization. The fertilized egg creates a single
totipotent cell called a zygote. The
zygote divides into identical totipotent cells. Approximately about 4 days, the
totipotent cells begin to specialize and becomes pluripotent.
