Share 5th grade - test 3 review
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How many bones are in the body?
206
The part of the bone where red blood cells are manufactured
bone marrow
Cage that protects your heart
Ribs
Another name for your tailbone
coccyx
Help you stand straight, but also allows you to bend
vertebrae
Helps protect your brain
skull
Being 20% or more overweight is known as
obesity
Exercises that help your body process large amounts of oxygen efficiently
aerobics
Light exercises that send blood flowing to your muscles
warm-ups
The longest muscle in your body
sartorious
The body system that takes in air
respiratory
Number of times a week you need aerobic exercise
at least three
For how many minutes should you exercise
20-30
layer of skin where excess energy is stored
subcutaneous fat
How many vertebrae make up the spinal column
33
How long do skin cells live
about 27 days
