How can a sponge deliver oxygen to every cell of its body without a respiratory system?

What will be an ideal response?


A sponge uses ciliated cells to draw water into its porous body, bringing oxygen and nutrients to its cells while also removing waste and carbon dioxide.

Biology & Microbiology

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The breakdown of fatty acids takes place via a process called:

A. glycolysis. B. beta-oxidation. C. oxidative phosphorylation. D. fatty acid phosphorylation. E. beta-carboxylation.

Biology & Microbiology

People who are intoxicated cannot coordinate their movements or walk a straight line because alcohol disrupts the normal function of which region of the brain?

A) cerebellum B) cerebrum C) corpus callosum D) hypothalamus E) thalamus

Biology & Microbiology

What element is found in all organic compounds?

a. carbon b. oxygen c. helium d. iron e. nitrogen

Biology & Microbiology

Which type of macromolecule is an informational molecule?

A) protein B) DNA C) ATP D) monosaccharide E) fatty acid

Biology & Microbiology