Human Body Systems and Cells

The video tutorial explains the composition of the human body, starting with cells as the basic unit. It describes different types of cells, their origins, and how they form tissues. The tutorial further explains how tissues combine to create organs and provides examples of various body organs. It concludes with an overview of body systems, detailing how organs work together to perform specific functions, with examples like the circulatory and digestive systems.

What is the smallest unit of life that can exist independently?

• System

• Cell

• Organ

• Tissue

Which of the following is NOT a type of cell found in the human body?

• Bone cell

• Muscle cell

• Brain cell

• Liver cell

Approximately how many cells are estimated to be in the human body?

• Millions

• Quadrillions

• Billions

• Trillions

What do cells combine to form in the human body?

• Bones

• Organs

• Systems

• Tissues

Which of the following is an example of a body organ?

• Heart

• Blood

• Neuron

• Skin

Where is the liver located in the human body?

• In the legs

• In the chest

• In the head

• In the abdomen

What is a group of organs working together to perform a function called?

• Tissue

• Cell

• System

• Organ

Which organs are part of the circulatory system?

• Heart, arteries, veins

• Brain, nerves, spinal cord

• Lungs, trachea, bronchi

• Stomach, intestines, liver

Which system is responsible for transporting nutrients and oxygen throughout the body?

• Digestive system

• Circulatory system

• Respiratory system

• Nervous system

Which system includes the brain and spinal cord?

• Skeletal system

• Nervous system

• Digestive system

• Respiratory system