Which of the following describes arteries?

A. They have thick muscular walls.

B. They usually contain valves.

C. They carry blood towards the heart.

D. They carry blood from the lungs.

What is the term for a group of mice that all live in the same place? A. Biome B. Habitat C. Ecosystem D. Population

What's our main purpose of sleep?

In the metric system, which of the following is correct? 1,000 liters = 1 milliliter, 1,000 kilograms = 1 gram, or 100 centimeters=1 meter

There are 22 different amino acids. what pet of each amino acid is different from the others

Ammonia, the major etiologic factor in the development of encephalopathy, inhibits neurotransmission. Increased levels of ammonia are damaging to the body. The largest source of ammonia is from:

Sunglasses are just as protective as safety glasses? A. False B. True

Biologist want to measure and keep track of ph because if ph changes the structure of biological molecules and so their function could lost t True or false

Which statement about homeostasis is false? Homeostasis depends primarily on positive feedback. Homeostasis is necessary for proper functioning of the body. Homeostasis is the maintenance of a steady physiological state within an organism or cell.

The theory of evolution is most accurately described as Question 23 options: a. an educated guess about how species originate. b. one possible explanation, among several scientific alternatives, about how species have come into existence. c.

What are the symbols for the elements that make up lipids