BODY SYSTEMS

Question 1

Tissue is made up of a group of what?

Answer 1

Cells. A tissue is a collection of cells of the same structure and function.

Question 2

What is the substance that moves from the air to the bloodstream via the lungs? Give the name, not the symbol.

Answer 2

Oxygen. Oxygen in the air enters our bloodstream via specialised organs called lungs.

Question 3

What type of joint is the hip joint in the human skeleton?

Answer 3

Ball and Socket. The human hip joint is an example of a ball and socket joint. Movement can occur in almost every direction.

Question 4

Which set of bones protects the heart and lungs in the human skeleton?

Answer 4

Rib cage. The 12 pairs of ribs protect the heart and lungs.

Question 5

The skull is designed to protect which organ?

Answer 5

Brain. The skull is a bony structure that protects the brain.

Question 6

True or false? To make a person breathe in, the volume of the thorax must decrease, creating a higher pressure in the thorax.

Answer 6

False. When a person breathes in, the volume of the thorax increases, creating a lower pressure in the thorax.

Question 7

Organs are groups of what working together?

Answer 7

Tissue. Organs are made up of several tissues working together. For example, the heart and lungs are organs.

Question 8

During ventilation, when the diaphragm moves up, the pressure inside the thorax ________.

Answer 8

Increases.

Question 9

In what organ of the human body would you find alveoli in?

Answer 9

Lungs.