Organ Systems

3. Secretes hormones into the bloodstream
7. Senses environment communicates with and activates other parts of the body
8. Produces and delivers and sperm and associated fluids
9. Provides mechanical support for the body, stores minerals and produces red blood cells
10. A type of connective tissue composed of cells, called chondrocytes, that secrete substances to form the dense matrix surrounding them
15. Eliminates Liquid Waste
17. Enables movement, posture, and balance with contraction and extension of muscles

1. Enables transport of nutrients, gases, hormones, and wastes
2. Protects against infection
4. Protects body from environment, injury, and infection, stores fat
5. Tightly packed sheets of cells that cover organs and outer surfaces
6. Fat tissue that connects the skin to underlying structures and insulates and protects organs
11. Produces eggs and supports the development of offspring
12. Make up the skeleton and are connected to each other at the joints
13. A type of connective tissue that circulates throughout the body through arteries, veins, and capillaries
14. Supplies blood with oxygen and removes carbon dioxide
16. Ingests and breaks down food