Answer:The immune system is a network of cells, tissues and organs that work together to attack pathogens that try to invade your body. Bacteria, parasites and fungi that may cause infection meet a system of immune soldiers, including T-lymphocytes, macrophages and neutrophils.
Explanation:
I believe skeletal muscle fibers are dependent on oxygen and steady blood flow. Hope this helps.
Answer:
the answer would be 4 grams of sugar
It all depends on your height, weight, age, and physical health. It also can vary based on personal goals.
Answer:
stay on task
Explanation:
because staying on task can help you with more questions in the future