Biology Chapter 13
Across
- 2. Lobes of the brain that receive signals from nose receptors
- 7. Male places sperm inside female's body where the eggs are fertilized
- 9. portion of the skeleton that attaches to the axial skeleton, has limbs attached to it
- 11. Blood vessels that carry blood back to the heart
- 13. Lobes that integrate sensory information
- 14. Tiny, thin-walled blood vessels that allow exchange of gases and nutrients
- 15. Lobe that controls involuntary actions
- 16. Development occurs in an egg that is hatched inside the female's body
- 17. Skeleton on the inside of a creature's body, typically composed of bone or cartiledge
- 19. the portion of the skeleton that supports and protects the head, neck, and trunk
Down
- 1. Soft tissue inside the bone that produces blood cells
- 3. Circulatory system where the oxygen-carrying blood cells never leave blood vessels
- 4. Lobes that coordinate vital functions
- 5. Lobes that receive signals from eye receptors
- 6. rod of tough, flexible material providing support
- 8. Segments of bone or some other hard substance arranged into a backbone
- 10. Female lays eggs and then the male fertilizes them outside the female
- 11. Development occurs inside the female, offspring gains nutrients through the placenta
- 12. Blood vessels that carry blood awaan y from the heart
- 18. Development occurs inside an egg and is hatched outside the female's body