Answer:
A
Explanation:
Because Cardiovascular disease mans that your heart and lungs are nearly failing and Physical activity is reducing the risk instead of causing it.
awnser is A growth, repair.
Answer:
10%
Explanation:
The Dietary Guidelines for Americans recommends limiting saturated fat to 10% or less of your daily calories. To figure out what that means for you, start with the number of calories you normally eat or want to eat in a day. Multiply that number by 10%.
Answer:
B. Smooth muscle in the tunica media
Explanation:
Arteries contains elastic and smooth muscle fibers that helps in contraction and expansion, respectively. The smooth muscle fibers are present in the tunica intima which is the thickest and middle layer of arteries.
Connective tissues and endothelium don't play a direct role in contraction or expansion. However, elastin proteins helps in contraction.
Hope this help.
