FISH CLUES CROSSWORD REVIEW
ACROSS
1. This organ makes bile, processes toxins, and stores glycogen ______
2. The space around the internal organs is called the ______.
3. All vertebrates have a dorsal nerve cord surrounded by bone or cartilage called
a ______cord.
4. Bony fish belong to the CLASS ______.
5. The main pumping chamber of the fish’s heart is the ______.
6. Another name for “skull” is the______.
7. This air filled sac controls buoyancy is a fish. ______
8. The ______fin is located on the ventral surface near the anus .
9. Fertilization in most fish is ______that means it happens
outside the female’s body.
10. Fish have disc like plates called ______on the surface of their skin
for protection and to reduce water resistance.
11. The ______& ______maintain the balance of ions and
water in the fish’s body.
12. Fish have a ______circulatory system because their blood is
contained in blood vessels.
13. The ______tectum receives and processes info from the fish’s visual,
auditory, and lateral line systems.
14. The ______fin is found on the fish’s tail and acts as a propeller.
15. ______is the reproductive behavior seen in fish.
16. Fish gills extract more oxygen because they operate on the principle of
______flow in which water and blood
move in opposite directions.
17. The ______is the part of the brain that controls balance
and motor coordination.
18. Body system that deals with the covering on the outside of an animal
______
19. Scales help a fish glide through the water by reducing water
______.
20. ______is made by the pancreas and helps to break down proteins.
21. Insulin and glucagoncontrol the levels of ______in the
bloodstream.
22. Kidneys in a fish to get rid of nitrogen waste by producing ______, a
mixture of ammonia, ions, and water.
DOWN
1. Organisms with a backbone are called ______.
2. The ______is the exit space that
smoothes the flow of blood leaving a fish’s heart.
3. The ______is the space that collects
blood returning to the heart from the body.
4. The plate like covering that protects the gills is the ______
5. The pectoral, anal, anterior dorsal, posterior dorsal, pelvic and caudal are all
names of ______.
6. Young immature fish are called ______.
7. Fish have an ______meaning their bones are inside
their body.
8. The ______is the part of the brain involved with higher
thinking that integrates information from all the other areas of the brain.
9. The ______is the most
posterior part of the brain that controls internal organs and acts as a relay
station for sensory receptors throughout the body.
10. Respiratory organ in a fish are the ______.
11. The ______in the heart receives blood from the sinus venosus and
pumps it to the ventricle.
12. The sensory organ along the fish’s body that senses vibration and water
pressure is the ______system.
13. Fish have a ______heart and a dorsal spinal cord.
14. The Optic ______in a fish is the largest part of its brain.
15. The anterior and posterior ______fins are located on the top of the
fish.
16. The ______lobes in a fish process information for the sense
of smell.
17. The pyloric ______are pouches that contain microorganisms to help
digest plants.
18. Water enters a fish’s ______before moving over the gills and out
through the opening behind the operculum.
19. The ______makes trypsin, insulin, and glucagon
20. ______is made by the liver, stored in the gall bladder, and used in the
intestine to help to break down fats
21. Bile is made by the liver but stored in the ______bladder.
22. The gills in FRESHWATER fish actively transport ______like sodium
and chloride back into the body that are lost through diffusion in their
hypotonic environment.
23. The ______fins are located on the side of the fish’s body near
the gill slits.
FISH CROSSWORD REVIEW
NAME ______