« previous next »

Author Question: Sphincter, or dilator, muscles are special circular muscles that open and close to control the ... (Read 20 times)

rl

  • Hero Member
  • *****
  • Posts: 579
on: Feb 27, 2019
Sphincter, or dilator, muscles are special circular muscles that open and close to control the passage of substances.
 
 Indicate whether the statement is true or false

Question 2

Cardiac muscle is an example of a voluntary muscle.
 
 Indicate whether the statement is true or false


LP

  • Sr. Member
  • ****
  • Posts: 302
Reply #1 on: Feb 27, 2019
Answer to Question 1

True

Answer to Question 2

False


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

The Old River Flood Control Structures The Old River Flood Control Structures
Chuck Close, Stanley II, detail. 1980–81. Chuck Close, Stanley II, detail. 1980–81.
The schematic of a variable valve timing control circuit, showing that battery power (+) is being ... The schematic of a variable valve timing control circuit, showing that battery power (+) is being ...
The bypass actuator opens the bypass valve to control boost pressure. The bypass actuator opens the bypass valve to control boost pressure.
Control of the anterior and posterior pituitary by the hypothalamus. Control of the anterior and posterior pituitary by the hypothalamus.
Stretching the muscles of the hip and lower back with diagonal adduction of the bent leg. Stretching the muscles of the hip and lower back with diagonal adduction of the bent leg.
Video: ADH and the arterioles, kidneys, sweat glands and the Atrial natriuretic peptide (ANP)

For a complete list of videos, visit our video library