Biology quiz

Which muscles contract and relax during respiration?

• Diaphram contracts, internal intercoastal contract, abdominal relax

• Diaphram relaxes, internal intercoastal contract and abdominal contract

• Diaphram relaxes,

  internal intercoastal contract and abdominal relax

• Diaphram contracts, internal intercoastal relax, abdominal contract

How many liters of air do we inhale each day?

• 5.000L

• 10.000L

• 7.000L

• 100L

An example of an irregular bone is:

• The hip bone

• The vertebrae

• The scapula

• The sternum

Kids do not have premolar teeth.

• True

• False

How long does the food stay in the digestive system?

• 12-20h

• 40-50h

• 30-40h

• 20-30h

What does an osteopenia cell turn into?

• Osteocyte

• Osteoclast

• Osteon cell

• Osteoblast

The dermis consists of stratified squamous epithelial tissue.

• True

• False

Nuclei in cardiac muscles are

• Single, peritherial

• Single, central

• Multiple, peritherial

• Multiple, central

Collagen can be found in:

• The epidermis

• The dermis

• The hypodermis

• All of the above

Building muscle increases the number of cells.

• True

• False