Aging-Brainpop

What can you infer from the fact that while seniors may need extra help with physical activities, they can keep improving at things like chess?

• Most chess masters don't reach their peak until their 60s or 70s

• The effects of aging on the human body can be reversed

• Although aging causes the body to break down, seniors often remain mentally sharp

• Older people are almost always smarter than younger people

When Tim says that how and when you age is genetic, what does he mean?

• The rate at which you age is encoded in your body's DNA

• The rate at which you age depends mostly on how you eat and how much exercise you get

• Most people live shorter lives than their parents did

• The aging process is exactly the same for most human beings

Which person's head is the largest, compared to the rest of his body?

• A 75-year-old man

• A 6-month-old baby

• A 14-year-old boy

• A 35-year-old man

How does the collagen and elastin in the body of a 75-year-old woman differ from the collagen and elastin in the body of a 16-year-old girl?

• The 16-year-old's elastin is less developed

• The 16-year-old's elastin is located in more places throughout her body

• The 16-year-old's elastin is less stiff and more flexible

• The 16-year-old's elastin is harder to the touch

What term best describes the human body?

• Basically the same at all ages

• Weak and fragile

• Unaffected by diet and exercise

• Constantly changing

What does connective tissue do?

• Helps you digest food

• Holds the different parts of your body together

• Prevents you from getting injured

• Allows you to breathe in oxygen

Why do older people often develop the need for eyeglasses?

• The color in people's irises gradually fade out as they age

• The light-sensitive cells in people's eyes gradually die as they age

• People's eyeballs gradually lose their shape as they age

• Elastic tissue in the eyes begins stiffening as people age

What might happen if an older person didn't get enough calcium?

• She'd be at greater risk for broken bones

• She might lose her taste buds at a rapid rate

• She might develop trouble hearing

• She might develop wrinkles

High cholesterol levels interfere with:

• Memory and mental sharpness

• The strength of bones

• The movement of blood through the body

• The maintenance of strong muscles

Which of the following statements is an opinion about aging?

• Very old people often develop memory loss

• The senses of sight, hearing, and taste are affected by the aging process

• Elderly people should exercise only rarely

• As people age, their skin becomes less smooth