B. Identification
1. The excretory part of a planaria, a kind of flatworm is the
2. It is the large fold in the upper surface of earthworm's intestine that increases the surface area.
3. The process by which wastes are eliminated from the body of an animal is called
4. It is the hormone that stimulates the production in mammary glands of lactating animals.
5. These are signaling proteins produced by body cells when being attacked by pathogens.
1. The excretory part of a planaria, a kind of flatworm is the
2. It is the large fold in the upper surface of earthworm's intestine that increases the surface area.
3. The process by which wastes are eliminated from the body of an animal is called
4. It is the hormone that stimulates the production in mammary glands of lactating animals.
5. These are signaling proteins produced by body cells when being attacked by pathogens.
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Answers & Comments
1. Flame cells
2. Typhlosoles
3. Excretion
4. Oxytocin
5. Interferons - Virally infected cells produce and release small proteins called interferons.
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