Answer:
Taking in oxygen & expelling carbon dioxide and working with the circulatory system.
Explanation:
The lungs work with the circulatory system to pump blood cells with oxygen to all cells in the body, the blood then collects waste and carbon dioxide and brings them back to the lungs where they're taken out of the body when we exhale.
True, Why?
When stretching you not only warm-up your muscles to action but it reduces the possibility that your muscles and joints will get rigid and you'll get a cramp.
So it is true!
You always want to stand tall.
REASON:
Do not appolagize for listing to your gut.
Avoiding eye contact maks you an easy target. It makes you look scared.
If you wish you could, he could talk you into it.
Simply stand tall, say no thanks, and walk away.
Exercising regularly can help you in many things like flexibility speed body strength tolerance to running or exercising a certain amount of time
EXAMPLE:if you join gymnastics doing flips and tossing and turning flipping and running all day can increase flexibility because to do certain stunts your body needs to have a certain level of flexibility like doing back bends if you do not have the stage of flexibility that it requires you will not be capable of doing it
<span>In vitro fertilizatio In vitro fertilization
is a fertility treatment in which sperm and eggs are combined in a
laboratory. The resulting embryos are assessed for quality, and one or
more are placed in the uterus through the cervix.</span>
