Changes during Puberty Video Lecture - Class 8

0:0:0: hello students in this video we will
0:0:2: talk about puberty or adolescence which
0:0:5: is a very important time in a person's
0:0:7: life it's when the body goes through a
0:0:10: lot of changes like growing quickly and
0:0:13: hormones becoming more active this is
0:0:16: called
0:0:16: puberty along with these physical
0:0:19: changes there are also a lot of emotions
0:0:21: and thoughts that can be a bit tricky to
0:0:23: deal with so it's a time of big
0:0:27: Transformations both in the body and in
0:0:29: how a person
0:0:30: feels but what exactly is
0:0:34: adolescence how do we Define it
0:0:37: adolesence is the period of life when
0:0:39: the body undergoes changes leading to
0:0:41: reproductive
0:0:43: maturity it typically begins around the
0:0:46: age of 11 and lasts until 18 or 19 years
0:0:50: old adolescence are also referred to as
0:0:53: teenagers since this period covers the
0:0:55: teens 13 to 18 or 19 years of age for
0:0:59: females adolescence begins a year or two
0:1:2: earlier than boys the period of
0:1:5: adolescence varies from person to person
0:1:8: some people may start puberty earlier or
0:1:10: later than others and some may grow
0:1:13: faster or slower changes during
0:1:16: puberty puberty is a primary and
0:1:18: significant transformation during
0:1:21: adolescence it is the development of
0:1:23: reproductive capability in both boys and
0:1:26: girls puberty concludes when adolescence
0:1:29: attain reproductive
0:1:31: maturity this means that they can
0:1:33: produce gametes or sex cells that can
0:1:36: combine with another gami to form a new
0:1:39: individual but puberty is not just about
0:1:43: reproduction it also involves many other
0:1:46: changes in the body and the mind for
0:1:48: example height body shape voice glands
0:1:52: sex organs mental
0:1:55: changes let's look at them in detail one
0:1:58: of the most notice ible changes during
0:2:1: puberty is the increase in height there
0:2:4: is a sudden increase in height of a
0:2:5: person during puberty due to the
0:2:7: elongation of the bones of arms and legs
0:2:11: even though the height of a person
0:2:12: depends on an inherited Gene eating
0:2:15: habits and exercise during adolescence
0:2:17: also decide height initially girls grow
0:2:21: faster than boys both reach maximum
0:2:24: height by the age of about 18 years
0:2:28: another change that happens during
0:2:29: during puberty is a change in body shape
0:2:33: in boys the shoulders broaden and
0:2:35: muscles of the body grow more
0:2:36: prominently than in girls for girls
0:2:40: there is a widening of the region below
0:2:42: the waist and less growth of muscle
0:2:45: these changes are influenced by hormones
0:2:48: which are chemical Messengers that
0:2:49: control various functions in the body
0:2:52: hormones also affect the growth of hair
0:2:55: on different parts of the body such as
0:2:57: the face chest armpits and and pubic
0:3:0: region one of the most interesting
0:3:3: changes during puberty is the voice
0:3:5: change during puberty it is noticed that
0:3:8: the voice of boys starts cracking and
0:3:11: their voice box or laring starts to grow
0:3:14: the increase in the size of the voice
0:3:16: box and boys is seen as a prominent
0:3:18: protrusion in the neck this protrusion
0:3:21: is called Adam's Apple the voice of boys
0:3:25: becomes deeper and more masculine as the
0:3:27: vocal cords become longer and thicker
0:3:30: in girls the voice box also grows but
0:3:33: not as much as in boys the voice of
0:3:37: girls becomes slightly lower and more
0:3:39: feminine but does not crack as much as
0:3:41: in
0:3:42: boys have you ever heard your friend's
0:3:44: voice crack while speaking or
0:3:46: singing that is a sign of
0:3:49: puberty another change that occurs
0:3:51: during puberty is the increased activity
0:3:54: of sweat and sebaceous glands sweat
0:3:57: glands are responsible for producing
0:3:59: sweat which helps to cool down the body
0:4:2: and remove waste products sebaceous
0:4:5: glands are responsible for producing
0:4:7: sebum which is an oily substance that
0:4:9: lubricates the skin and hair during
0:4:13: puberty there is an increase in the
0:4:14: secretion of sweat glands and sebaceous
0:4:17: glands which may lead to the appearance
0:4:19: of acne and
0:4:20: pimples sometimes the pores of the skin
0:4:23: get clogged with excess sebum and dead
0:4:25: skin cells which leads to the formation
0:4:28: of black heads white head heads and
0:4:30: pimples another change is the
0:4:33: development of sex
0:4:34: organs at puberty male sex organs like
0:4:38: the tesus and penis develop completely
0:4:40: and begin to produce sperm in girls the
0:4:44: ovaries enlarge and start releasing eggs
0:4:47: over the release of eggs is called
0:4:49: ovulation and it occurs once every month
0:4:53: puberty brings not only physical changes
0:4:56: but also mental and emotional growth
0:4:59: adol cens gain independence
0:5:1: self-awareness and increased thinking
0:5:4: abilities insecurity is common as they
0:5:6: ages to mind and body
0:5:9: changes this period offers optimal brain
0:5:12: learning capacity allowing for skill
0:5:14: acquisition language learning and value
0:5:17: formation adolescence explore
0:5:19: friendships relationships and express
0:5:23: emotions it's a time of exploration
0:5:26: Discovery and creativity marking a
0:5:28: crucial phase of
0:5:30: development however adolescence can also
0:5:33: be a time of confusion stress and
0:5:36: conflict adolesence May face many
0:5:38: challenges and pressures such as peer
0:5:41: pressure academic pressure family
0:5:43: pressure social pressure and so on they
0:5:47: may also experience mood swings anger
0:5:50: frustration sadness and
0:5:53: anxiety therefore adolescents need to
0:5:56: have a positive and supportive
0:5:58: environment where they they can feel
0:6:0: safe respected and
0:6:2: valued they need guidance and
0:6:4: encouragement from their parents
0:6:6: teachers friends and
0:6:8: mentors they need to be aware of their
0:6:11: rights and
0:6:13: responsibilities they need to be healthy
0:6:15: and happy we hope that you have
0:6:18: understood the concept of reaching the
0:6:19: age of
0:6:21: adolescence now here's a secret on how
0:6:24: you can study effectively with the edur
0:6:26: of app you can learn with chapter notes
0:6:29: watch video lectures and solve ncer
0:6:32: based McQ tests of this chapter on
0:6:35: eduv and that's not all you also get
0:6:38: amazing courses for Class 8 and much
0:6:41: more for your class 8
0:6:43: preparation thank you