WebThe olfactory, or nasal, organ of fishes is located on the dorsal surface of the snout. The lining of the nasal organ has special sensory cells that perceive chemicals dissolved in the water, such as substances from food material, and send sensory information to the brain by way of the first cranial nerve. Odour also serves as an alarm system. WebThe fluids move through what is called a circulatory system. The fluids carry nutrients and gases, like oxygen, that keep the animals alive. The fluids also remove wastes from the body. In humans and some other animals they also …
How does our circulatory system keeps us alive? BBC Teach
WebA fish circulatory system is indicated by the letter (s) ____. A only Figure 36.3 Use the figure above to answer the following questions. A circulatory system that allows some mixing of oxygenated and oxygen-poor blood is indicated by the letter (s) ____. B only In an open circulatory system, the fluid pumped is called ____. hemolymph WebCirculatory System. A shark's heart is a two-chambered S-shaped tube, small in proportion to body size. Blood flows from the heart to the gills and then to body tissues. Fast-swimming sharks, such as great whites and … incentive bonus policy example
Chapter36 Flashcards Quizlet
WebFish circulatory system: There are accessory chambers, sinus venosus, and conus arteries or bulbous arteries. The heart receives deoxygenated blood from all over the body, except the gills, into the sinus venosus and pumps it into the short artery, the ventral aorta, via the auricle, ventricle, and conus/bulbous. WebFish are cold-blooded aquatic vertebrates that can be found in both saline and freshwater. Like humans, they have a closed circulatory system, in which blood is always contained in a circuit of blood vessels. In other … WebFigure 40.2 In (a) closed circulatory systems, the heart pumps blood through vessels that are separate from the interstitial fluid of the body. Most vertebrates and some invertebrates, like this annelid earthworm, have a closed circulatory system. In (b) open circulatory systems, a fluid called hemolymph is pumped through a blood vessel that ... incentive athen