Cell Structure
What is the basic unit of all living organisms?
The cell
Movement of molecules from high to low concentration is call what?
Diffusion
The study of tissues is called?
Histology
What type of muscle is under voluntary control?
Skeletal muscle
What carries oxygen in red blood cells?
Hemoglobin
Which organelle is known as the control center of the cell?
The nucleus
The diffusion of water through a membrane is known as?
Osmosis
What type of tissue covers surfaces and lines cavities?
Epithelial tissue
What is the shaft of a long bone called?
Diaphysis
What is the largest artery in the body?
Aorta
What is the function of the mitochondria?
Provides energy for the cell.
What does a hypertonic solution do to a cell?
It causes the cell to shrink
Which connective tissue stores fat?
Adipose tissue
Which type of joint is freely movable?
Diarthrosis
Which blood cells fight infection?
Leukocytes
Which structure controls what enters and exits the cell?
The cell membrane
What type of ion has a positive charge?
Cation
Which membrane lines body cavities and covers organs?
Serous membrane
Which protein works with actin to cause muscle contraction?
Myosin
What is the universal donor blood type?
O negative
What organelle is responsible for synthesizing proteins?
Ribosome
This provides energy for cellular processes.
ATP
What type of gland produces mucus?
Goblet cell
What is the basic unit of a muscle fiber called?
Sarcomere
What is the name of the heart's natural pacemaker?
Sinoatrial (SA) node