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63 Cards in this Set

  • Front
  • Back
Superior means?
Towards the head or above another part.
Which elements make up most of the human body?
Carbon, Oxygen, Nitrogen, and Hydrogen.
________ are extremely small subatomic particles and have almost no weight and carry a negative electrical charge?
The appendicular portion of the human body contains?
arms and legs
The saggital plane devides the body into _______ sections?
Front and back.
Hydrogen has an atomic weight of 1. What does that mean?
It has one electron, has only one proton, and has no neutrons.
When Hydrogens one electron combines to chlorine and becomes - charged chlorine and + hydrogen they attract, this is called?
Ionic bonding
The 2nd shell of an atom can hold a maximum of how many electrons?
Carbon has an atomic weight of 12. In addition it has 6 protons which means it has how many neutrons & electrons?
6 electrons
6 neutrons
Which of the following lines the lungs directly?
Visceral pleura, parietal peritoneum, visceral hilar membrane, parietal pleura
Visceral pleura
Lateral means?
To the side of the midline of the body.
Who is the founding father of Anatomy?
Andreas Vesalius
Proximal means?
Closer to the trunk, near the beginning.
The region of the abdomen located just to the left and right of the umbilicus is known as the?
Lumbar region
Oxygen gas (O2) has how many electrons?
Red blood cells are about what size?
6-8 microns
How many molecular bonds can oxygen form?
What serous membrane encloses the heart, esophagus, trachea, and thymus gland?
Where is chromation material found?
In the nucleus.
Meiosis occurs in which cell?
Sperm and egg cells.
The nucleus of an atom is composed of which of the following components?
Protons and neutrons.
Division of the nucleus is known as?
An element, helium has two electrons. Based on this what can be said concerning this element?
It is very stable and will not react chemically.
What is the function of mitochondria?
They make ATP.
On an atom of carbon there are how many electrons on the outer rings?
First ring 2, Second ring 4.
What area of science deals with the structure & morphology of body parts?
Anterior means?
Towards the front.
Sometimes atoms of the same element have different atomic weights, this is referred to as?
What occurs first during mitosis?
Nuclear division
What is the function of visceral and parietal serous membranes found throughout the body?
They allow for frictionless movement of the organs.
In which phase of mitosis do the chromosomes reach the centrioles and the neuclear envelope begins to appear?
What is referred to as the maintenance of a stable internal environment with regards to the external enviroment?
Cells accumulate materials taht cannot be excreted out of the cell, this material passes to daughter cells. These materials are known as?
What is a tubular transport system seen in cells?
Endoplasmic reticulum
Diffusion means?
Movement of molecules from a higher to lower concentration and requires no carrier molecules.
Superficial means?
Near the surface.
In which phase of mitosis are the chromosomes lined up midway between the centrioles?
What is the function of the peroxisomes?
Protect agains harmful oxygen metabolites.
What is the only cell in the human body that contains a flagella?
Sperm cell
What is the function of superoxide dismutase?
Converts singlet oxygen into oxygen gas.
An infant is born without peroxisomes. What is the likely outcome?
The infant will surely die.
The maintenance of life requires all of the following except? Water, food, oxygen, xenon 133
Xeon 133
The axial portion of the body consists of which of the following?
Head, neck, and trunk.
How many cells are found in the human body?
75 trillion
The element nitrogen can form how many other bonds with other atoms?
What structure is found within the abdominal cavity?
Thymus gland
Cellular organelles would include all but which?
carbohydrates, mitochondria, golgi apparatus, ribosomes, peroxisomes
The atomic number is the same number of __________ contained within the atom?
Which are contained within the cell membrane?
chlesterol, phosphorous, iron, hemoglobin
Cholesterol and phosphorous
Active transport means?
It requires a carrier molecule and is the movement of molecules from a lower to higher concentration.
What are seen only in Bacteria?
Prokaryotic cell
The order of the levels of organization in the body is?
Atom, molecule, organelle, cell, tissue, organ, organ system.
Lysosomes are most numerous in which cells?
Macrophages & neutrophils
Mater exists in four states. Including all but which of the following? stellarplasm, solids, liquids, gases, plasma
What are subdivisions of the dorsal cavity?
Cranial cavity and spinal cavity.
Mater exists in four states. Including all but which of the following? stellarplasm, solids, liquids, gases, plasma
A cut that divides the body into inferior and superior portions is known as?
Transverse cut
Where is chromation material found?
In the nucleus.
Characteristics of life include all but which?
respiration, reproduction, responsiveness, water
Medial means?
Closer to the midline of the body.
Osmosis means?
Movement of water from a higher water concentration to a lower water concentration.
What is the serous membrane that lines the abdominal wall and abdominal organs in the body?
Mater exists in four states. Including all but which of the following? stellarplasm, solids, liquids, gases, plasma