please i need help and this is a test so i can improve my grade cause i currently have an overall grade of an f .

To confirm when to exclude children from school it’s recommended that you refer to guidelines from which of the following organizations

What household products contain algae?

Internal feedback works to maintain homeostasis when your a. heart rate decreases as your white blood cells increase b. breathing rate decreases as your red blood cells decrease c. heart rate increases as your liver is cleaning blood d. breathing rate increases as your heart rate increases