I need help with this question does anyone know?

1. 2. and 3.

Explanation:

While fat provides good insulation and organ protection from physical force, provides a lot of energy, and all energy we don't spend during the day is converted to fat for that reason and is used to make regulatory compounds it is not a part of all cell membranes in the body. Many cells are but not all.

answer; hepatitis a& b can be passed through breast milk; (true);

alternate days of the week that you perform that activity