3. Observe: An organelle is a cell structure that performs a specific function. Observe th samples below under the highest magnification. Click the Show labels checkbox to label the

organelles. List the organelles and approximate size of the cells in each sample.

Organelles

Sample

Estimated size

(ym)

Mouse skin

Fly muscle

Maple leaf

Elodea

Fungus

What do all of these samples have in common?

Drag each tile to the correct box. the body monitors the levels of oxygen in the blood to regulate breathing. isabel is running in a marathon and is near the finish line. she feels out of breath. how will her nervous system work to generate a reaction? arrange the tiles in chronological order. isabel's breathing rate increases. sensory receptors in the arteries detect low oxygen levels. the brain sends signals through motor neurons. sensory neurons generate an impulse. the central nervous system relays an impulse to certain brain regions.