Ang pilosopiya ay nangangahulugang "pag-ibig sa karunungan." Binubuo ito ng dalawang salitang Griyego, philo, nangangahulugang pag-ibig, at sophos, nangangahulugang karunungan.
Arteries are blood vessels responsible for carrying oxygen-rich blood away from the heart to the body. Veins are blood vessels that carry blood low in oxygen from the body back to the heart for reoxygenation.
