Human Bio Wk 1

Question 1

A tissue is one organizational step lower than an?

Answer 1

organ

Question 2

Shivering to try raising your body temperature to normal would be an example of?

Answer 2

negative feedback

Question 3

The four tissues of the body are?

Answer 3

epithelial, connective, nervous and muscular

Question 4

A frontal section divides the body into?

Answer 4

anterior and posterior

Question 5

A sagittal section divides the body into?

Answer 5

left and right

Question 6

The abdominopelvic cavity contains the following organs :

Answer 6

Stomach, Liver, Gall bladder, pancreas,
Spleen,
Kidneys, urinary bladder, female reproductive organs, small and large interstine.

Question 7

The ventral body cavity comprises of the?

Answer 7

thoracic and abdominopelvic cavities.

Question 8

The dorsal cavity contains the?.

Answer 8

brain and spinal cord .

Question 9

Positive feedback control systems?

Answer 9

enhance the change to the function.

Question 10

Negative feedback control systems

Answer 10

reverse the change to the function.

Question 11

The plane that divides the body into upper and lower part is the?

Answer 11

transverse plane.

Question 12

Name the nine abdominal regions

Answer 12

Right Hypochondriac/ium, Left Hypochondriac/ium, Epigatric,

Right Lumbar, Left Lumbar, Umbilical, Right Iliac, Left Iliac, Hypogastric/Pubic.

Question 13

Contraction of the uterus during birth of a baby is an example of

Answer 13

positive feedback.

Question 14

The smallest living unit of structure and function in the body is the

Answer 14

cell.

Question 15

The identification function of the cell membrane is carried out by

Answer 15

cell identification markers.

Question 16

In non-dividing cells, DNA appears as threads that are referred to as

Answer 16

chromatin fibers.

Question 17

Preparation of protein molecules for cellular activities is the function of the

Answer 17

golgi apparatus

Question 18

ATP production occurs within the

Answer 18

mitochondria. It is the cell’s power plant.

Question 19

Protein synthesis is a function of which organelle

Answer 19

ribosomes

Question 20

A cell’s digestive system (digest and destroy microbes that invade the cell) is the

Answer 20

lysosome

Question 21

The flagellum is found in the human body only in

Answer 21

spermatozoa

Question 22

Diffusion requires a

Answer 22

concentration gradient.

Question 23

The engulfing of microbes by white blood cells is an example of

Answer 23

phagocytosis.

Question 24

Extracellular fluid is

Answer 24

outside the cells, comprises of interstitial fluid (tissue fluid) and blood

Question 25

. Intracellular fluid

Answer 25

the fluid inside cells, also known as the cytosol.

Question 26

Ionic bonds - result from

Answer 26

gain or loss of electrons between atoms. This produces ions or electrolytes.

Question 27

Ionic bonds are broken when

Answer 27

the substance dissolves in water.

Question 28

Covalent bonds are produced when

Answer 28

electrons are shared between atoms.

Question 29

Carbohydrates: are made up of simple subunits called

Answer 29

monosaccharides or simple sugars such as

glucose, fructose and galactose.

Question 30

Proteins are made of subunits called

Answer 30

amino acids. The bond formed between amino acids in a protein is
called a peptide bond. There are about 20 naturally occurring amino acids in the body, 9 of which,
called essential amino acids, must be included in the diet as they are not made in the body.

Question 31

Lipids (Fats) are a category encompassing all lipid-soluble substances, including

Answer 31

fats, steroids. Fats are

stored in adipose tissue and function as energy reserves.