Digestive system in the planarias
Explain how are nutrients distributed by digestive system in the planarias?
Expert
Planarias contain single opening digestive system (not complete) with ramifications which transport nutrients to all regions of the body.
Justify that are the extraembryonic membranes similar in all vertebrates?
Name the part of the human visual system, where the receptors which sense light, that is, the photoreceptor cells, are situated? How do such cells work?
Quality Circles: These are generally characterized as small, voluntary groups of staff set up to meet periodically for such practical aims as: Pinpointing, observing, analyzing and resolving troubles in areas compr
Specify the endocrine glands involved in the menstrual cycle? Specify the hormones in action?
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