Which organ systems function as control systems, communicating with other cells and organs to regulate their activities?

A woman age 58 years is suffering from food poisoning after eating at a local restaurant. She has had nausea, vomiting, and diarrhea for the past 12 hours. Her blood pressure is 88/50 and she is diaphoretic.

What are the exergonic reactions that provide living systems with energy?

Osteoclasts are typically found?

Cyanobacteria were the first photosynthetic organisms. How were they responsible for allowing higher life forms to evolve? A. They released oxygen, which mixed to form iron, and later ferrous oxide, in the air. B.

Why would it be better to look at living cells than a dead ones?

Games like tag and hide and seek are examples of: A: Constructive play B: Fantasy play C: Creative play D: Motor play E: Parallel play

Explain in a complete sentence why it is important for scientists to share information with one another.

The DNA message depends on the order of the a. nitrogen bases. b. acids. c. sugars. d. genes.

How to tell if a fossil is older

Males have only one copy of each type of sex chromosome; therefore, all sex-linked genes are expressed, even recessive alleles. Based on this information, which statement is true? A.