Cuál es la estructura reproductora de la planta ciprés

Awater molecule is polar because there is an uneven distribution of these between the oxygen and hydrogen atoms.

The organelle pictured is found in cells of and is theorized to have once been an independent organism.

An example of internal feedback working to maintain homeostasis is your a. decreased respiration rate when you are studying b. decreased heart rate when you are sad c. increased respiration rate when your muscles need more oxygen d. increased heart rate when your lungs need more oxygen