Well the question is unanswered but I guess I can try to answer it fully.
Fitness programs such as weight training help you maintain your weight and it helps keep you in shape.
A pregnant woman needs more calcium, folic acid, iron and protein<span> than a woman who is not expecting</span>
Answer: Osteoporosis Paget's disease Muscular dystrophy
Explanation: In osteoporosis, bone tissue begins to wear and thin, causing weak and breakable bones.
In Paget’s disease, the bones grow larger than normal, thereby becoming weak and brittle.
Muscular dystrophy is a group of diseases in which muscles waste away, causing extreme weakness and sometimes immobility.
Answer:
Development of the human heart during the first eight weeks (top) and the formation of the heart chambers (bottom). In this figure, the blue and red colors represent blood inflow and outflow (not venous and arterial blood).
I Hope This Helped You :D