The human body consists of a range of how many cells? 70,000,000 - 100,000,000
7,000 - 10,000
70,000,000,000,000 - 100,000,000,000,000 70,000,000,000 - 100,000,000,000

Which is not a type of symmetry? a. asymmetryb. radial symmetryc. bilateral symmetryd. lateral symmetry

Which statement describes compounds a. compounds are made of one type of atom. b. compounds cannot be represented by models. c. compounds are represented by chemical formulas. d. compounds cannot be broken down into simpler forms.

Pulmonary arteries carry highly oxygenated blood. true or false?