Topic 3 Human Body Systems Review

Front

Which body system acts like a defense system?

Back

The immune system acts as the body's defense system, protecting against pathogens and diseases.

Front

True or False? The spinal cord is a thick column of nervous tissue that links the brain to most of the nerves that branch throughout the body.

Back

True. The spinal cord connects the brain to the peripheral nervous system.

Front

There are 6 major nutrients. __________ is the most important one.

Back

Water is considered the most important nutrient for the human body.

Front

The _________ __________ filter lymph by trapping bacteria and other disease-causing microorganisms in the fluid.

Back

Lymph nodes filter lymph and trap harmful microorganisms.

Front

True or False? The human body has two systems that maintain homeostasis; the nervous system and the digestive system.

Back

False. The nervous system and the endocrine system work together to maintain homeostasis.

Front

What is the primary function of the respiratory system?

Back

The primary function of the respiratory system is to facilitate the exchange of oxygen and carbon dioxide.

Front

What are the main components of the cardiovascular system?

Back

The main components of the cardiovascular system are the heart, blood vessels, and blood.

Front

Define homeostasis.

Back

Homeostasis is the process by which the body maintains a stable internal environment despite changes in external conditions.

Front

What role do red blood cells play in the body?

Back

Red blood cells transport oxygen from the lungs to the body's tissues and carry carbon dioxide back to the lungs.

Front

What is the function of the digestive system?

Back

The digestive system breaks down food into nutrients that the body can use for energy, growth, and repair.