What is the main organ of the respiratory system?
Lungs
What is the function of the immune system?
Fight pathogens
What is the main organ of the digestive system?
Stomach
What is the function of the digestive system?
Breaks down food; absorb nutrients
What is the main organ of the circulatory system?
Heart
What is the function of the muscular system?
Movement
What makes up the skeletal system?
Bones
What is the function of the respiratory system
Exchange oxygen and carbon dioxide
What does bone marrow produce?
Red blood cells
What is the function of the circulatory system?
TRANSPORT blood, oxygen, nutrients, wastes, and chemicals
What is the main organ of the nervous system?
Brain
What is the function of the excretory system?
Filters blood; release waste
What is the function of the nervous system?
Controls and coordinates
What makes up the integumentary system?
Skin, hair and nails
What is the function of the endocrine system?
Maintain homeostasis using glands and hormones
What makes up the endocrine system?
Glands and hormones
What is the function of the skeletal system?
Support and protect
What makes up the muscular system?
Muscles
What is the function of the integumentary system?
Protective barrier
What is the main organ of the excretory system?
Kidney
What makes up the immune system?
White blood cells