In your body you have these things called white blood cells that are like your immune system so they're your defense system. So when a bacteria or a virus or a fungus or something comes into your body that's not supposed to be there, your white blood cells will attack and try kill that virus or bacteria.
B. It can reduce hydration levels.
C. It can lead to poor food choices.
D. It can improve appetite.
B) transport substances directly to the body cells
C) require only a small amount of oxygen to function
D) have the opposite function of arteries and veins
Correct answer choice is :
Capillaries are very thin blood vessels that were first found in frog lungs in 1661. They bring nutrients and oxygen to muscles and eliminate trash products. They are only one cell thick, and they are the sites of the transferal of oxygen and other nutrients from the bloodstream to other muscles in the body, they also accumulate carbon dioxide waste elements.
Answer:
False
Explanation:
b. intense to expert
c. light to moderate
d. moderate to intense
Answer:
TRUE
Explanation:
b. lower thoracic
c. upper pelvic
d. external scrotal