HSB CRAM #3

Question 1

What is Respiration?

Answer 1

The absorption of energy from food.

Question 2

Why does Respiration occur?

Answer 2

This occurs to provide the body with energy.

Question 3

What is cellular respiration?

Answer 3

involve the release of energy from the chemicals within a cell.

Question 4

What is the chemical equation for Cellular Respiration?

Answer 4

C6 H12 O6(glucose)+ 6O2—->6CO2+6H2O(water)+energy.(2880 KJ)

Question 5

Anaerobic Respiration Definition.

Answer 5

occurs without the use of oxygen. EXAMPLE: yeast cells

Question 6

Anaerobic Respiration Equation.

Answer 6

C6H12O6—>2C2H5OH+2CO2+energy.

Question 7

Aerobic Respiration Definition.

Answer 7

this cannot occur without the presence of oxygen.

Question 8

What is ‘AIDS’?

Answer 8

AIDS (acquired immunodeficiency syndrome), transmissible disease of the immune system caused by the human immunodeficiency virus (HIV).

Question 9

Name TWO methods of transmission of HIV, OTHER THAN sexual transmission.

Answer 9

• Syringes and Surgical Tools

* Blood Mixing

Question 10

TWO ways in which babies become infected by mothers with HIV.

Answer 10

Breast Milk

the fetus is infected with HIV through the mother’s blood crossing the placenta.

Question 11

TWO ways in which babies become infected by mothers with HIV.

Answer 11

• Breast Milk

* the fetus is infected with HIV through the mother’s blood crossing the placenta.

Question 12

Describe TWO ways of purifying water.

Answer 12

Water Chlorination

Boiling

Question 13

Suggest TWO water-borne diseases that can be contracted if bacteria are NOT removed
from drinking water.

Answer 13

*Pathogen: HAV (Hepatitis A Virus)
Disease: Hepatitis A
*Pathogen: Cryptosporidium
Disease: Cryptosporidiosis

Question 14

State TWO functions of water in the human body.

Answer 14

• Participates in many chemical reactions. As a chemical reactant, water is involved in many processes and pathways of the body.
• Helps maintain normal body temperature

Question 15

Name the vitamin which, when deficient, is responsible for night blindness and
identify TWO food sources of the vitamin.

Answer 15

VITAMIN: A
SOURCE: dark leafy greens, cantaloupe, lettuce

Question 16

the stages in the digestion

Answer 16

1. Ingestion
2. Mechanical Phase of 3.Digestion
3. Chemical Phase of Digestion(Carbohydrates, protein, and fats)
4. Absorption
5. Excretion (Elimination)

Question 17

What is ‘testosterone’?

Answer 17

a steroid hormone that stimulates development of male secondary sexual characteristics, produced mainly in the testes, but also in the ovaries and adrenal cortex.

Question 18

State TWO functions of testosterone.

Answer 18

• Promotes the development and growth of the penis, testicles, scrotum, and sexual secretory glands.
• *follicular development

Question 19

In which part of the male reproductive system are sperm made, and where is it stored?

Answer 19

A man’s sperm, which is carried in semen that’s made by glands such as the prostate, is kept in a duct called the vas deferens. Sperm are kept in the epididymis till completely established

Question 20

Explain how a prostate gland that is NOT functioning properly will affect the fertilization of an egg.

Answer 20

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