In their whole life, human have sets of teeth…
a) 2
b) 3
c) 4
d) 5
Which of the following organ pumps the blood in the body;
a) heart
b) stomach
c) brain
d) skin
Unhealthy food is……….
a) vegetables
b) fruits
c) chocolates
……….work together to make our body work.
a) cells
b) tissues
c) bones
d) organ
They receive the sounds from all around us and make us hear……..
a) ear
b) eyes
c) teeth
d) All
At the age of 3 years we usually have teeth?
a) 18
b) 20
c) 25
d) 28
Humans, like most other mammals, are diphyodont, meaning that they develop two sets of teeth. The first set, deciduous teeth, also called "primary teeth", "baby teeth", or "milk teeth", normally eventually contains 20 teeth. Primary teeth typically start to appear ("erupt") around six months of age and this may be distracting and/or painful for the infant. However, some babies are born with one or more visible teeth, known as neonatal teeth or "natal teeth". |
Humans have two sets of teeth: primary (or baby) teeth and permanent (adult) teeth, which develop in stages. Although the timing is different, the development of each of these sets of teeth is similar. Here are some facts about how the teeth develop:
by at 2024-10-23 19:02:00