What are two functions of capillaries? allows blood to gather waste products from cells
transmits messages to the brain
permits blood to receive O 2 from lungs
determines skin color
connects various organs together

What causes the formation of ocean currents?

Ahanging spring stretches by 35.0 cm when an object of mass 450 g is hung on it at rest. in this situation, we define its position as x = 0. the object is pulled down an additional 18.0 cm and released from rest to oscillate without friction. what is its position x at a moment 84.4 s later? express your answer in cm.

What quantity do units represent in value