What are multicellular organisms?

Give some examples of multicellular organisms

What is the meaning of specialised cells?

How many cells do the human body contain?

How many types of cells are in the human body?

Name the three types of muscles

Explain skeletal muscles

Explain involuntary muscles

Why do voluntary and involuntary muscles contain a large number of mitochondria?

Explain cardiac muscles

What are nerve cells?

Meaning of axon?

What is the longest axon of a human nerve cell?

What are red blood cells?

What are white blood cell?

What are two types of fat cells?

What is the job of the brown fat cells?

What is the job for white fat cells?

Do plants have more types of cells or do animals?

Explain specialised plant cells