Circulatory System Grade 8

Which of the following is a synonym for the circulatory system?

• respiratory system
• digestive system
• nervous system
• cardiovascular system

___ takes place when blood travels from the heart, through the lungs, and back to the heart.

• pulmonary circulation

• systemic circulation

___ takes place when oxygen-rich blood travels to all body tissues except the lungs.

• pulmonary circulation

• systemic circulation

___ is a group of organs and tissues that act as transfer stations carrying needed materials to cells and removing their waste products.

• circulatory system

• respiratory system

• nervous system

How does the Circulatory System work with the Respiratory System?

• In order create movement in the muscles, they need oxygen. The body's oxygen transport system takes oxygen to the working muscles.

• The circulatory system supplies oxygen and nutrients to our bodies, without oxygen there would be no possible way for humans to live

• Without messages from the brain the Circulatory system would not be able to work

How does the Circulatory System work with the Respiratory System?

• In order create movement in the muscles, they need oxygen. The body's oxygen transport system takes oxygen to the working muscles.

• The circulatory system supplies oxygen and nutrients to our bodies, without oxygen there would be no possible way for humans to live

• Without messages from the brain the Circulatory system would not be able to work

What is the definition of the Heart?

• There are two major types of blood vessels – those that bring blood towards the heart are called veins and those that carry blood from the heart towards other tissues and organs are called arteries

• The thing that gives blood to keep everything alive.

• a four-chambered organ, containing two atria and two ventricles. The atria are the receiving chambers, and receive blood from veins. On the other hand ventricles are designed to be efficient pumps, sending blood into arteries

Tags

NGSS.MS-LS1-3

What is the main function of the heart ? 

• The heart circulates blood and oxygen throughout the body.
  
• The heart is the control centers for all body activities.
• The heart gets rid of the wastes in your body.

The heart is about the size and shape of your . . .

• head

• fist

• hand

• foot

What type of muscle do you find in the heart?

• smooth muscle
• Skeletal muscle
• cardiac muscle