lesson B
• Heart.
• Arteries
• Veins
• Capillaries
• Blood
Circulatory System
• Nose
• Mouth
• Trachea
• Diaphragm
• Bronchi
• Lungs
Respiratory System
Salivary glands
• Mouth
• Esophagus
• Stomach
• Liver
• Pancreas
• Gall bladder
• Small intestine
• Large intestine
Digestive System
• Brain
• Spinal cord
• Nerves
• Eyes, ears, and other
sensing organs
Nervous System
• Kidneys
• Bladder
• Lunges
• Skin
• Liver
Excretory System
Bones
• Cartilage
Skeletal System