WebCirculatory System An earthworm has a closed circulatory system that uses vessels to send blood through its body. There are five aortic arches throughout his body that serve as pumps. The dorsal vessels take blood from the back of his body to the front, and the ventral vessels take blood the other direction, from front to back. Smaller WebNov 4, 2024 · With systems like the closed circulatory system in a worm, blood stays within the vessel of the earthworm rather than flowing freely through the body like other invertebrates. There are various blood vessels in the body of an earthworm. The main blood vessels are dorsal, ventral, and sub-neural vessels, among others. The heart of an …

Do earthworms have an open or closed circulatory system Why?

WebJun 8, 2024 · Figure 40.2. 1: Closed and open circulatory systems: (a) In closed circulatory systems, the heart pumps blood through vessels that are separate from the interstitial fluid of the body. Most vertebrates and some invertebrates, such as this annelid earthworm, have a closed circulatory system. (b) In open circulatory systems, a fluid … WebClose Circulatory system is found in vertebrates and a few invertebrates, such as earthworms, who have a closed circulatory system. This system contains blood vessels that transport blood throughout the body. Answer 4: A standing giraffe requires significantly more pressure to pump blood to its head than a shorter-necked animal. great lakes plains indiana

Worksheet Invertebrates.docx - Name: John Maeng Animal...

WebCirculatory system. The dorsal blood vessel (X) appears as a dark brownish- red vessel running along the intestine. The heart or aortic arches (Y) can be found over the … WebEarthworm circulatory system. Earthworms, leeches, and polychaete worms have a closed circulatory system; meaning, the inner space of their bodies are filled with blood vessels that carry blood ... http://api.3m.com/animals+having+open+circulatory+system+possesses great lakes planers company