The New Human Organ Discovered by Cancer Research

What new discovery was made regarding human anatomy?

• A new type of bone in the leg.

• A fourth set of major salivary glands.

• A previously unknown muscle in the arm.

• A new section of the small intestine.

How do medical tracers help doctors?

• They make organs glow in the dark.

• They help map the location of tumors and where they spread.

• They instantly cure diseases.

• They make patients feel less pain during scans.

Which part of the brain is linked to stress-related symptoms of depression and anxiety?

• The cerebellum.

• The visual cortex.

• The subgenual anterior cingulate cortex (sgACC).

• The brain stem.

What happened to marmosets when the sgACC brain region was over-activated?

• They became calmer and less stressed.

• They showed increased anxiety-like symptoms and had higher heart rates.

• They learned new tricks faster.

• They became more social with other marmosets.