Анатомическая модель половых органов
2 036,27-3 393,77 ₽
Высококачественный инструмент для обучения биологии: детальная модель анатомии дождевого червя в средней и старшей школе
- Категория: >>>
- Поставщик: Yongkang City Zhongzheng Teaching Instrument Co. Ltd.Yongkang Ltd.
Сохранить в закладки 1601294409654:
Описание и отзывы
Характеристики
Product Name | Earthworm anatomical model |
Size | 11*17*27cm |
Model number | M-003 |
Material | PVC |
Type | Show the model |
Packaging | Packing in cartons |
Time of delivery | About 15-30 days, depending on your order quantity |
Country of origin | China,Zhejiang |
Product color | Picture color |
Earthworm anatomical model
I. Use of the model: This model is used as a visual teaching aid to explain the morphology and structure of earthworms, a representative of the phylum Annelida, in conjunction with secondary school biology textbooks, and as a demonstration of the content of secondary school biology teaching demonstrations: This model shows the shape and internal structure of the front part of the earthworm's body. II. external morphology: Through the surface of the body, observe the various structures of earthworm body segments, intersegmental grooves, reproductive annular zone and locomotor organs - setae, as well as the location of the mouth, preoral lobe, male reproductive pore, female reproductive pore, seminal vesicle pore and dorsal pore. Third, internal components: The morphological structure and its distribution of the body wall, muscles, septum, body cavities andvarious organs such as digestive system, circulatory system, reproductive system, nervous system and renal tubes of earthworms were observed from the longitudinal and transverse surfaces of the body.
Q:Why Did I choose you?
A:We are specialized in producing teaching instruments for 30 years. We sell a complete range of instruments, which will enable you to purchase all the necessary instruments in one shop. There is a special quality inspection department to check the ex-factory goods, quality assurance, reduce your after-sales troubles. We have ISO9001, ISO45001, ISO14001, AAA Quality and Honor Certificate, AAA Integrity Grade Certificate, triple-a re-contract and trustworthy certificate, AAA Credit Grade Certificate, is a member of China Education Equipment Industry Association.
Q: Will You Accept Oem & Odm?
A:Yes.
Q: What kind of packing can you do?
A: our usual packing is plastic bags and cartons. We can customize the packing according to customer's requirements.
Q: Can you provide samples?
A: we can provide you with samples. Sampling time: 1-7 days. The sample charge is refundable upon order.
Q:How long will it take me to get the products I buy?
A:In the general case of inventory, we ship within 1-7 days, the number of products, large orders, may take more than 15 days of time.If you're really in a hurry, I can see what we can do.
Q:If there are after-sales problems, how to deal with them?
A:You will have our solutions within 24 hours.
A:We are specialized in producing teaching instruments for 30 years. We sell a complete range of instruments, which will enable you to purchase all the necessary instruments in one shop. There is a special quality inspection department to check the ex-factory goods, quality assurance, reduce your after-sales troubles. We have ISO9001, ISO45001, ISO14001, AAA Quality and Honor Certificate, AAA Integrity Grade Certificate, triple-a re-contract and trustworthy certificate, AAA Credit Grade Certificate, is a member of China Education Equipment Industry Association.
Q: Will You Accept Oem & Odm?
A:Yes.
Q: What kind of packing can you do?
A: our usual packing is plastic bags and cartons. We can customize the packing according to customer's requirements.
Q: Can you provide samples?
A: we can provide you with samples. Sampling time: 1-7 days. The sample charge is refundable upon order.
Q:How long will it take me to get the products I buy?
A:In the general case of inventory, we ship within 1-7 days, the number of products, large orders, may take more than 15 days of time.If you're really in a hurry, I can see what we can do.
Q:If there are after-sales problems, how to deal with them?
A:You will have our solutions within 24 hours.
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