The human body works to keep blood within a certain pH range. This is an example of A homeostasis. B digestion. C respiration. D synthesis.

When cardiac muscle cells are damaged by a heart attack, they are usually replaced by new cardiac muscle cells. new smooth muscle cells. connective tissue cells. epithelial cells. nerve cells?

Which ranks the terms in order of increasing size and the number of space objects contained within? A) Size: universe - > galaxy - > solar system Number of objects: universe - >galaxy - > solar system B) Size: solar system - > galaxy - > universe

In which cellular organelle do the three posttranscriptional modifications often seen in the maturation of mrna in eukaryotes occur?

According to plate tectonics, the continents. do not move at all are drifting on a sea of magma will one day be joined together "float' on top of the crust

Which process is a form of mechanical weathering? A. Hydration B. Carbonation C. Exfoliation D. Oxidation

On control for someone who has swallowed poison. O A. True O B. False Is this true or false?

The process by which plants convert sunlight into chemical energy is cellular respiration diffusion mitosis photosynthesis

Which structure is an example of a hinge joint?

Shivering and sweating are two techniques that mammals use to a) adapt to the temperature b) develop a rise in body temperature C) maintain homeostasis d) use excess energy

During the process of cellular respiration, energy is released from (1) carbon dioxide (3) water molecules (2) oxygen atoms (4) chemical bonds