Believe it or not, a worm has actually got five hearts. Five hearts that pump blood around its’ body. Below, you will see how a worm looks inside. You can see the five hearts lined up down the centre of the worms insides, just below the oesophagus.

2012年6月12日 · Most earthworm species have five aortic arches or ‘hearts’ that move blood around the body. The number of aortic arches varies amongst species. Acknowledgement: Sara L Roggemann, Three Flowers Photography. The dorsal blood vessel runs along the length of the upper side of the earthworm. It contracts and pumps blood to the aortic arches.

2008年11月24日 · Unlike lizards, the worm protects itself from predators by clinging to the soil with its bristles, burrowing into the ground or coiling when picked up. Worms also use camouflage as a means of protection. Before we discuss how a worm really regenerates, here is a bit of information about the anatomy of a worm, where they live, and how they survive.

Various types of worm occupy a small variety of parasitic niches, living inside the bodies of other animals. Free-living worm species do not live on land but instead live in marine or freshwater environments or underground by burrowing.

3 天之前 · Hundreds of different types of worms can infect humans, and they come in all sizes and shapes. Keep reading to learn more about parasitic worms with their pictures. 1. Round Worms. These large, round worms are present around the world. These pencil-thick worms can be several inches long and are further divided into different categories.

Earthworms use the prostomium to see their environment, as earthworms have no eyes, ears, nose or hands. They depend on the prostomium and skin to help it feel their way through the soil. As the earthworm tunnels through the soil, it excretes mucus from its body.

This is a diagram of a worm anatomy and it's functions. Here you'll find information about what makes a worm tick.

The clitellum of adult earthworms contains features called genital tumescence, tubercula pubertatis. The clitellum features and the male pores and female pores found above the clitellum and are all parts of the earthworm reproductive system. The prostomium is the earthworm mouth.

Large worms are made up of hundreds of segments. Each segment has tiny hair-like bristles called setae. These hairs cling to the walls of a worm's burrow and help the worm move. know as its tail end. This end gets rid of waste called castings.

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