Aristotle believed that the earth is made of permanent, non-perishable matter he called aether. true false

The myelin sheath on a neuron allows nerve impulses to be faster because A. neurotransmitter molecules are released in greater amounts. B. the myelin sheath covers the entire axon. C. nerve impulses jump from node to node as they move down the axon.

Explain factors that affect enzyme activity and how those factors affect the enzyme, including the term denature.

How much blood does the human body contain? A. 1-3 pints B. 8-10 pints C. 12-14 pints D. 17-20 pints

When your pH becomes out of balance (too basic or acidic) how will it affect you? A. Your cells will lose their membrane permeability. B. You will get severe heartburn. C. Your proteins and enzymes will lose shape and stop functioning. D.

Mechanical energy is defined as the sum of both the potential energy and the kinetic energy of an object.

As mentioned that the brain contains at least 100 billion neurons, more than a person needs, the brain going through rapid growth has transient exuberance which needs pruning. Why does the brain need to be pruned?

Ponds and lakes form when water collect in areas of land?

How would homeostasis be affected if the pancreas did not release insulin?

Which of the following is true? A. Thirst is the best indicator of water requirement during competition. B. A critical time to replace bodily fluids is while exercising. C.

What cell part stores material within the cell?