"Wards"

This model of the HIV virus is enlarged millions of times to show the outer lipid membrane with protein structures and the internal nucleoproteins and contained RNA.

Physician designed.

Additional replacement bags (pack of 4) for Student Lung Kit.

Synthetic owl pellets provide a safe, realistic, and reusable dissection experience, featuring hand-crafted replicas of skeletons and carefully imitated contents that closely mimic natural owl pellets.

Measure water uptake from the processes of photosynthesis and transpiration.