Which Muscles Are Involuntary

question 68

Multiple Choice

Which muscles are involuntary?

• A)cardiac and smooth
• B)cardiac and skeletal
• C)smooth and skeletal
• D)only skeletal
• E)only cardiac

Comprehend the hydrological cycle and its steps.

Recognize the biogeochemical cycles, particularly the carbon cycle, and their relevance to fossil fuels.

Understand the significance of biogeochemical cycles in maintaining stable ecosystems.

Learn about the greenhouse effect, its causes, and implications for climate change.

---

Definitions:

Control Group

In experimental research, a group of subjects that does not receive the experimental treatment or intervention, used as a benchmark to measure the effect of the treatment.

Population

A group of individuals of the same species living in a particular geographic area, or the total number of individuals belonging to a particular category or groups.

Sample

A subset of a population selected for measurement, observation, or questioning to provide statistical information about the whole.

Biased Sample

A sample that does not accurately represent the population from which it was drawn, usually due to prejudiced selection methods.