1. Circulatory/Cardiovascular System
Systems involved in Regulation
______________________________
Animal Systems Notes
Systems involved in Nutrient Absorption
______________________________
Skeletal System
Primary Functions:
Structural support
Protects internal organs
Major Organs:
Integumentary System
Primary Functions:
Barrier to pathogens & foreign objects
Keeps moisture in
Senses temperature & sweats
Major Organs:
Muscular System
Primary Functions:
Major Organs:
Gluteus maximus (skeletal muscle)
Stomach (smooth muscle)
Heart (cardiac muscle)
Circulatory/Cardiovascular System
Primary Functions:
Major Organs:
Heart
Arteries (blood with O2 away from lungs)
Veins (blood without O2 back to lungs)
Nervous System
Primary Functions:
Major Organs: Brain & nerves
Sensory neurons
Motor neurons
Digestive System
Primary Functions:
Major Organs: Stomach & intestines, Liver, Pancreas
Systems involved in Reproduction
______________________________
Systems involved in Defense from Injury/Illness
______________________________

2. Excretory/ Urinary System
Systems involved in Regulation
______________________________
Animal Systems Notes
Systems involved in Nutrient Absorption
______________________________
Immune System
Primary Functions:
Major Organs: Lymph nodes & vessels, Spleen, Bone marrow, Thymus
Respiratory System
Primary Functions:
Major Organs: Lungs
Trachea
Diaphragm (muscle under lungs)
Lymphatic System
Primary Functions:
Major Organs: Lymph nodes & vessels, Spleen, Bone marrow, Thymus
Endocrine System
Primary Functions:
Major Organs: Thyroid & Pituitary glands
Testes & ovaries
Many organs from other systems have endocrine function (Ex. Stomach, pancreas, etc.)
Reproductive System
Primary Functions:
Major Organs: Uterus & ovaries
Penis & testes
Testes & ovaries are also part of the endocrine system
Excretory/ Urinary System
Primary Functions:
Major Organs: Kidneys, Bladder
Urethra
Systems involved in Reproduction
______________________________
Systems involved in Defense from Injury/Illness
______________________________