"Avantor"

Lancelet Study

Great for geology hardness tests.

Male Reproductive Gland

Great for handling small amount of materials.

Includes: six each of marble, slate, and quartzite. Set of 18.

Common rocks and minerals for testing and identification studies are 2–3cm each.

Ideal for a variety of uses.

Pink/gray coarse carbonate rock.

Fine, common limestone; massive, and will fizzle with HCl.

Toothpicks

Ectoparasite

Illustrates Enlargement of the Thyroid Gland

Examine the largest organ of the body

Organized, economical survey of fossils.

Interactive Illustration of Density Principles

There is no nucleus in the oval-shaped erythrocytes, which can swell up to 240% of their normal size without bursting. From llama.

Intestinal Parasite