Athletics & Wellness Grade 7 45 min

Navigating Physical Changes: Growth, Hygiene, and Care

This lesson helps you understand the amazing physical changes your body goes through during puberty. Learning about growth, hygiene, and self-care will help you feel confident, comfortable, and healthy in your own skin!

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What & Why

Puberty is the time when your body begins to develop and change as you move from kid to adult. It's a normal, natural process driven by hormones. You'll experience things like a growth spurt (getting taller fast!), new hair growing in new places, and changes to your skin and sweat.Understanding these changes helps you take care of your body in new ways. Good hygiene isn't just about looking clean; it's about feeling good and staying healthy. Everyone goes through puberty at their own pace, so it's important to focus on your own journey and be kind to yourself and others.
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Example 1 — Tackling Body Odor

Scenario: After soccer practice, you notice your underarms have a stronger smell than they used to. This is called body odor (B.O.).What's happening? During puberty, your sweat glands (especially apocrine glands) become more active. When this sweat mixes with bacteria on your skin, it can create an odor.How to handle it:Wash daily: Take a shower or bath every day using soap to wash away bacteria and sweat. Pay extra attention to areas that sweat a lot, like underarms and feet.Use deodorant/antiperspirant: After showering, apply deodorant (which masks odor) or an antiperspirant (which reduces sweat) to clean, dry underarms.Wear clean clothes: Bacteria can build up on clothes. Wearing a fresh shirt, socks, and underwear each day makes a big difference.
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Example 2 — Managing Acne

Scenario: You wake up and see a few new pimples on your forehead. This is acne, and it's very common.What's happening? Hormones can cause your skin's oil glands to produce more oil (called sebum). This oil can clog pores, trapping bacteria and leading to pimples, blackheads, or whiteheads.How to handle it:Wash gently: Wash your face twice a day (morning and night) with a mild cleanser and lukewarm water. Don't scrub too hard, as this can irritate your skin.Hands off: Try not to touch your face or pop pimples. Popping them can push bacteria deeper, cause more inflammation, and even lead to scars.Talk to an adult: If your acne is bothering you, talk to a parent, guardian, or school nurse. They can help you find over-the-counter products or see a doctor if needed.

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Sample Practice Questions

Beginner
What is the primary cause of increased body odor during puberty?
A.More active sweat glands mixing with skin bacteria
B.Not drinking enough water
C.Eating too many sugary foods
D.Not getting enough sleep
Beginner
Leo's favorite hoodie suddenly feels tight in the shoulders and the sleeves are too short. What is the most likely reason for this?
A.The hoodie must have shrunk in the wash.
B.He is experiencing a normal growth spurt.
C.He is not stretching enough after gym class.
D.He is wearing his friend's hoodie by mistake.
Beginner
Which of the following is a common skin change during puberty caused by hormones and increased oil production?
A.Freckles
B.Sunburn
C.Acne
D.Dry skin patches

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