Science Questions

Question 1

What is the location of the trachea in relation to the esophagus?

Answer 1

Anterior

The trachea is anterior to the esophagus.
The epiglottis covers the trachea when we swallow.

Question 2

Which of the following substances is not a product of respiration?

Answer 2

*Carbon dioxide
*Water
*Oxygen
*ATP

Question 3

In respiration air is

Answer 3

inhaled (oxygen)

Question 4

Inhaled oxygen produces

Answer 4

ATP

Question 5

Inhaled air exhales

Answer 5

Carbon dioxide

Question 6

What is the function of ribosomes in the cell?

Answer 6

Ribosomes aid in protein synthesis

Question 7

Oblique plane

Answer 7

goes through the body at any angle other than horizontal or vertical.

Question 8

Which of the following components of the human integumentary system is the deepest?

Answer 8

Hypodermis.

It is the deepest part of the integumentary system.

Layers of skin refer to epidermis; Stratum corneum, stratum lucideum, stratum granulosum, stratum spinosum, stratum basale.

Question 9

of the following, blood vessels containing the least-oxygenated blood is the:

Answer 9

*Aorta- carries oxygenated blood
*Vena cava- carries blood into the heart
*Pulmonary artery- carries oxygen depleted blood from the heart to the lung
*Femoral vein- carries deoxygenated blood towards vena cava

Question 10

How many types of tissues are there in the human body?

Answer 10

4

*Epithelial
*Connective
*Muscle
*Nerve

Question 11

Epithelial tissue function

Answer 11

lines the internal and external surfaces of the body. Consist of squamous, cuboidal, and columnar cells.
Can expand and contract as in the bladder.

Question 12

Connective tissue function

Answer 12

provides the structure of the body, as well as the links between various body parts.

Examples include: tendons, ligaments, cartilage, and bone.

Question 13

Muscle tissue function

Answer 13

composed of tiny fibers, which contract and move with the skeleton.

Three types of muscle tissue: smooth, cardiac, and skeletal.

Question 14

Nerve tissue function

Answer 14

makes up the nervous system; composed of nerve cells, nerve fibers, neuroglia and dendrites.

Question 15

Which blood vessel carries oxygenated blood back to the heart

Answer 15

Pulmonary vein

Question 16

What type of molecules are enzymes

Answer 16

Protein molecules serve as catalysts for certain biological reactions

Question 17

how does DNA and RNA function together as part of the human genome?

Answer 17

RNA carries genetic information from DNA to the cell cytoplasm.

Question 18

What is the difference between DNA and RNA

Answer 18

DNAs fourth base is thymine and RNAs fourth base is uracil.

Question 19

Large intestines main functions

Answer 19

reabsorption of
*water
*vitamin K
*biotin
*electrolytes

Question 20

What are the segments of the small intestine

Answer 20

*duodenum
*jejunum
*ileum

Question 21

Function of the duodenum

Answer 21

first section of the small intestine, and it receives chyme from the stomach, further digesting it with the help of enzymes released by the gallbladder

Question 22

function of the jejunum

Answer 22

middle portion of the small intestine. absorbs amino acids, fatty acids, and sugars

Question 23

function of lymph

Answer 23

removes bacteria from tissues, replaces lymphocytes in the blood, and moves fat away from the small intestine.