Organization of the human body
Fill in the blank:
The nose is ________ to the mouth
Superior
Involves a sharing of electrons by the outer shells of the atoms
What is covalent bonding?
What part of the cells is semipermeable and made of phospholipids
Plasma membrane
What type of red blood cell is produced in the bone marrow?
Erythrocytes
Name the three functions of the lymphatic system
The body’s ability to maintain a stable internal environment in response to a changing environment
What is homeostasis?
Proteins that serve as catalysts
What are enzymes?
What type of solution has a higher concentration of dissolved substances than the fluid in the cell
Hypertonic solutions
What is normal pH? What is it called if it is below 7.35? Above 7.45?
7.35-7.45, acidosis, alkalosis
This type of defense mechanism can result from infection, tissue damage and is an inflammatory reaction
Secondary line of defense-innate defense
Divides the body into anterior and posterior portions.
What is frontal or coronal plane?
Chemicals composed of two or more different atoms held together by ionic or covalent bonds
What are compounds?
What is the first step in protein synthesis; occurs in nucleus and where DNA code is transcribed into mRNA
Transcription
Your blood type is B. What blood types can you receive blood transfusions from?
B, O
This type of loose connective tissue regulates body temperature and is padded around organs and joints
Adipose tissue
Describe negative feedback
Negative feedback keeps body conditions within a normal range by reversing any upward or downward shift.
Form when one atom transfers electrons to another atom
What type of cell division produces somatic cells (2n) and parent stem cell gives rise to two identical daughter cells
Mitosis
What is the most abundant protein in plasma, important for maintaining the blood’s osmotic pressure, and necessary to maintain normal blood volume
Albumin
What is one thing that occurs in the Innate Immunity: Fever (secondary line of defense)
Increases metabolism, decreases some organisms ability to multiply by inhibiting pathogen production, and stimulates phagocytes
Name two variables that are regulated to keep homeostasis
Body temperature and blood pressure
Composed of chains of amino acids held together by peptide bonds
What are proteins?
What type of mechanism moves solutes freely, is a passive transport, and moves from an area of higher concentration to an area of lower concentration
What are the four blood types and what helps determine the blood type?
A, B, AB, O and antigens
Transitional epithelium