Homeostasis and Body Systems Regent Review

Front

A small lizard spends the morning lying in sunlight to warm up and later rests in shade to cool down. What is this behavior important for?

Back

maintain homeostasis

Front

Anhidrosis is the inability to sweat normally. If the human body cannot sweat properly, it cannot cool itself, which is potentially harmful. Anhidrosis most directly interferes with?

Back

a feedback mechanism that maintains homeostasis

Front

The graph shows levels of glucose and insulin in the blood over time. What does this graph represent?

Back

maintenance of homeostasis

Answer explanation

Insulin helps to control glucose levels.

When glucose levels increase, insulin levels also go up.

This balance is called homeostasis.

Front

The interaction of which two systems provides the molecules needed for the metabolic activity that takes place at ribosomes?

Back

digestive and circulatory

Front

Where does the digestion of starch begin?

Back

mouth

Front

Which function is associated with cell X in the diagram of human blood cells?

Back

oxygen transport

Front

The diagram represents one possible immune response that can occur in the human body. The structures that are part of the immune system are represented by A, only, A and C, only, B and C, only, A, B, and C

Back

B and C, only

Front

An activity that occurs in the human body is shown. This activity helps to:

• provide protection against pathogens
• produce antibiotics to control disease
• eliminate harmful gene alterations
• regulate production of ATP by the cell

Back

produce antibiotics to control disease

Front

Why do males produce a large number of sperm cells every day?

Back

Some of the sperm cells will survive to reach the egg.

Front

The primary function of structure X in the human body system is to

Back

form gametes that may be involved in fertilization