(Blank)
What is the basic unit of life?
The cell.
Which part of the brain controls balance and coordination?
The cerebellum.
What type of joint is found in the shoulder and hip?
Ball-and-socket joint.
What is the scientific term for the voice box?
Larynx.
Where does fertilization of the egg usually occur in humans?
In the fallopian tube.
Which organ is responsible for pumping blood throughout the body?
The heart.
What is the function of the small intestine?
Absorption of nutrients.
What is the main function of white blood cells?
Fighting infection.
What pigment gives skin its color?
Melanin.
Which blood vessels have valves to prevent backflow of blood?
Veins.
What molecule carries oxygen in red blood cells?
Hemoglobin.
Which type of blood vessel carries blood away from the heart?
Arteries.
Which organ filters waste from the blood to form urine?
The kidneys.
What type of muscle is found in the walls of internal organs?
Smooth muscle.
What is the primary gas exchanged for oxygen in the lungs?
Carbon dioxide.
Which system controls body activities with hormones?
The endocrine system.
How many chromosomes does a typical human cell have?
46 chromosomes.
What is the chemical process by which cells break down glucose to release energy?
Cellular respiration.
What system includes the skin, hair, and nails?
The integumentary system.
Which organ produces insulin?
The pancreas.
What is the largest organ in the human body?
The skin.
What structure protects the lungs and heart?
The rib cage.
What is the name of the long tube that connects the mouth to the stomach?
The esophagus.
What part of the neuron receives incoming messages?
Dendrites.
What is the tough, flexible tissue found at the ends of bones?
Cartilage.