Welcome
This term means toward the front of the body.
Anterior
Which organ system produces immune cells and has a role in fluid balance?
Lymphatic system
The heart is located in the mediastinum, is part of the ______ cavity.
Thoracic
This element makes up the greatest percentage of body weight.
Oxygen
This type of chemical reaction allows the body to create new proteins.
Synthesis
What is the basic building block of a protein?
Amino acid
During which phase of mitosis do chromosomes form?
Prophase
This type of tissue covers the body's surface.
Epithelial
Bone, cartilage, and adipose tissue are types of ______ tissue.
Connective
This body plane divides the body horizontally into upper and lower portions.
Transverse plane
This compound is the body's main energy source?
Carbohydrates
What is an important task of the nucleolus?
Manufacturing of ribosomes
During which phase of mitosis do chromosomes form?
Prophase
Nucleotides consist of one of four types of ______.
Nitrogenous bases
Standing erect with arms at sides and with palms, face, and feet facing forward describes this position.
Anatomical position
A person in this state is suffering from malnutrition and breaking down body tissues for fuel.
Catabolic state
What is the normal pH of human blood?
7.35 to 7.45, slightly alkaline
How are carbohydrates categorized?
By the length of their carbon chain
Why are some amino acids called essential amino acids?
They have to be obtained from outside sources
Threadlike structures composed of DNA and protein that fill a cell's nucleus are called ____.
Chromatin
What is the main job of the golgi apparatus?
Prepare and package proteins in vesicles for export to other parts of the body.
This type of bond is formed when two atoms share one or more pairs of electrons in an attempt to fill their outer shells?
Covalent bond
Where are electrons found?
Moving around the nucleus in concentric clouds
What makes an atom electrically neutral?
Equal number of protons and electrons
These two factors would increase the speed of chemical reactions in the body.
Fever and the presence of catalysts