Chapter 6 Quiz

Blood is approximately_______ percent water.

• 50

• 60

• 70

• 80

Lymph nodes filer the lymphatic vessels, which helps______________ .

• fight infection

• burn fat

• digest food

• control blood pressure

Secretions that stimulate functional activity or other secretions in the body are called___________________ .

• lymphatics

• hormones

• collagens

• transmitters

What gland controls how quickly energy is burned?

• Pineal

• Thyroid

• Pancreas

• Pituitary

Collections of similar cells that perform a particular function are called___________________ .

• organs

• systems

• tissues

• protoplasm

The process by which cells reproduce by dividing into two identical cells called daughter cells is known as_____________________ .

• division

• multiplication

• mitosis

• reproduction

The watery fluid that surrounds the nucleus of the cell is the___________________ .

• cytoplasm

• centrosome

• cell membrane

• mitosis

The cell structure that plays an important role in cell reproduction is the__________________ .

• cell membrane

• centrosome

• cytoplasm

• nucleus

Cells are made up of a colorless, jellylike substance called___________ in which food elements such as protein, fats, carbohydrates, mineral salts and water are present.

• plasma

• protoplasm

• cytoplasm

• membrane

The muscles that separate the fingers are called_______________ .

• abductors

• opponents

• adductors

• flexors