I believe the answer would be D because it works for all emergencies/hazards :)
So Sam has the disorder and one of his parents are likely the carrier since Sam is their son. That’s all I can provide since that’s all the info I was given.
Organ Systems. When a group of organs work together to carry out a body function this is the what it is called.
Integumentary system. This is the external covering of our body, our skin.
Skeletal System.
Muscular System.
Nervous System.
Endocrine System.
Cardiovascular System.
Lymphatic System.