What is the scientific term used for the rows on the periodic table?
periods
What tissue connects bones to other bones?
ligaments
What happens to a cell during mitosis?
the nucleus divides
What is the name of the enzyme that breaks down carbohydrates?
amylase
Which body system helps the respiratory system bring oxygen into the body?
muscular
What is the scientific term for the columns on the periodic table?
groups
A person with the disease ____________ has irritated or inflamed joints.
arthritis
What happens during cytokinesis?
the cytoplasm divides
What happens during mechanical digestion?
food is chewed and broken into smaller pieces
Which blood vessels carry blood to the heart?
veins
What is the name of the elements in group 1?
alkali metals
Muscles that you can control are called ______ muscles.
voluntary
Organs are groups of __________ working together to perform a specific task.
tissues
Which excretory organ filters wastes from the blood?
kidneys
Which part of the blood carries dissolved molecules such as glucose and salt?
plasma
What is the name of the elements in group 17?
halogens
A pigment that absorbs ultraviolet rays is called ____.
melanin
During which part of the cell cycle does the DNA replicate?
S phase
What is the fluid produced when the blood is filtered?
urine
The lymphatic system cleans fluid for which system?
a. circulatory
b. digestive
c. immune
d. respiratory
What is unique about the elements in group 18?
They do not react with other elements.
How does your skin help the body maintain homeostasis?
by sweating
What structure holds sister chromatids together?
centromere
Urine leaves the body through a tube called the ________.
urethra
What are the four chambers of the heart?
right atrium
right ventricle
left atrium
left ventricle