Uncovering the Secrets of Cells and Organs in Living Beings

The video explores the discovery and importance of cells in plants and animals, highlighting different cell types like skin, muscle, bone, nerve, and blood cells. It introduces organs, explaining their functions and cellular makeup. The respiratory and circulatory systems are discussed, focusing on how lungs and heart supply oxygen and nutrients. The digestive system's role in processing food is explained. The video concludes with the vast number of cells in the human body, emphasizing their significance and power.

What tool did scientists use over 150 years ago to discover cells?

• Periscope

• Stethoscope

• Telescope

• Microscope

Which of the following is NOT a type of cell observed under a microscope?

• Skin cell

• Plastic cell

• Bone cell

• Muscle cell

What are the inside parts of our body made of?

• Fibers

• Fluids

• Cells

• Tissues

What do all cells in the body require to function properly?

• Salt and sugar

• Heat and pressure

• Water and light

• Food and oxygen

What is the primary function of the lungs?

• Pump blood

• Digest food

• Take oxygen from the air

• Filter waste

Which organ is responsible for pumping blood throughout the body?

• Liver

• Heart

• Kidneys

• Lungs

Where does the food go after it is broken down in the stomach?

• Brain

• Heart

• Lungs

• Intestines

What is the role of the intestines in the digestive system?

• Filter blood

• Absorb nutrients

• Break down food

• Store food

Approximately how many cells make up the human body?

• Billions

• Trillions

• Millions

• Quadrillions

What happens to the food that is not used by the body?

• It is expelled from the body

• It is converted into energy

• It is stored as fat

• It is absorbed by the skin