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In the production of sperm, what happens to spermatocytes?

   a. They undergo mitosis to produce sperm cells.

   b. They undergo meiosis to produce sperm cells.

   c. They are sperm cells so they become part ofsemen and are ejaculated.

   d. They develop into self-renewing stem cells thatmaintain the testes.

Do women produce more eggs or do men produce more sperm?Why?  

a. Women produce more eggs because the odds of any one egggetting fertilized by a sperm are not good.

b. Women produce more eggs because they can’t move and so arestuck in one place. Because sperm can move, not as many areneeded.

c. Men and women produce about equal amounts of sperm/eggs.

d. Men produce more sperm because they produce it all theirlives, while women are born with all the eggs they’ll everhave.

Where do the hormones FSH and LH come from and what do they doin women?

a. The pituitary gland; FSH causes a follicle in the ovary tomature and release an egg, and with LH, stimulates estrogensecretion.

b. The hypothalamus; FSH causes a follicle in the ovary tomature and release an egg, and with LH, stimulates estrogensecretion.

c. The prostate gland; FSH causes a follicle in the ovary tomature and release an egg, and with LH, stimulates estrogensecretion.

d. The ovary; FSH causes a follicle in the ovary to mature andrelease an egg, and LH stimulates estrogen secretion.

What does your body need oxygen for?

Cells need it to produce the energy they need to function.

It is necessary to aerate the brain.

Air flow aids in blood flow within the blood vessels.

It produces hemoglobin, needed to carry carbon dioxide

Which arts of the brain control heart rate and breathing inresponse to pH level changes?

Medulla and brainstem

Hypothalamus and pituitary gland

Medulla and hypothalamus

Medulla and pons

Veins carry ________.

Blood away from the heart

Oxygen-rich blood

Oxygen-poor blood

Blood toward the heart

Sperm cells are formed initially in the testes. What path dothey follow to get to ejaculation?

   a. Epididymis, vas deferens, urethra

   b. Prostate gland, epididymis, vas deferens,urethra

   c. Epididymis, vas deferens, vulva, urethra

   d. Vas deferens, prostate gland, urethra

A fetal ovary has all the mature eggs it will ever have. True orfalse?

   a. True. Women have all their mature eggs atbirth.

b. False. The eggs in a fetal ovary pause after meiosis I anddon’t mature until release from the ovary.

   c. False. Eggs don’t develop in the ovary untiljust before puberty.

   d. False. Eggs don’t mature until the moment offertilization.

Where does the energy in an ecosystem come from initially?

   a. All the plants

   b. The sun

   c. The decomposers recycle it

   d. The lithosphere

How does energy from the sun become a type of energy an animalcan use?

   a. Respiration

   b. Decomposition

   c. Photosynthesis

   d. Carbon cycle

Which of the following is the sequence of vessels the bloodfollows as it circulates?

a. Heart, veins, capillaries, arteries, heart

b. Heart, capillaries, arteries, veins, heart

c. Heart, veins, arteries, capillaries, heart  

d. Heart, arteries, capillaries, veins, heart

Sperm cells are formed initially in the testes. What path dothey follow to get to ejaculation?

   a. Epididymis, vas deferens, urethra

   b. Prostate gland, epididymis, vas deferens,urethra

   c. Epididymis, vas deferens, vulva, urethra

   d. Vas deferens, prostate gland, urethra