Answer:

Our body is made up of bones and muscles. The basic structure of our body is known as cell. When many cells combine together then it is known as tissue. When may tissue are combine together it is known as organ. Organs combine to form Organ system. And organ systems form a body
I'm pretty sure it is prevent injury. Stretching doesn't usually build strength or endurance.
I think it is False but I'm not 100% sure
Answer:
Short term:
Diarrhea. Gas. Foul-smelling, greasy stools (poop) that tend to float.
Long term:
Occasionally, people with giardiasis will have long-term complications such as reactive arthritis, irritable bowel syndrome, and recurring diarrhea that can last for years. Among children in particular, severe giardiasis may delay physical and mental growth, slow development, and cause malnutrition.