Answer:
1. Stomach, Digestive System
2. Brain, Nervous System
3. Heart, Circulatory System
4. Kidneys, Excretory System
5. Bone marrow, lymphatic system
6. Pituitary Gland, Endocrine System
7. Xylem, Vascular Tissue System
8. Bones, Skeletal System
9. Fallopian tubes, reproductive system
