bio # 9
What carries a signal from one neuron to the next? An axon A hormone A dendrite A neurotransmitter
A neurotransmitter
Which of the following is a similarity between male and female reproductive systems? They both produce haploid gametes. They both release gametes. They both store gametes. All of the above are similarities between the two systems.
All of the above are similarities between the two systems.
Which of the following forms of contraception is removable? A vasectomy An intrauterine device A tubal ligation None of these
An intrauterine device
When is an unborn child called a fetus? From cleavage to the 9th week of pregnancy From cleavage to birth From the 9th week of pregnancy to birth From conception through birth
From the 9th week of pregnancy to birth
Sound is "heard" when sound waves cause structures inside your ears to physically vibrate. A signal is then sent to your brain where it is interpreted as sound. What type of receptor in the ear is responsible for the sense of hearing? Electromagnetic receptors Thermoreceptors Mechanoreceptors Chemoreceptors
Mechanoreceptors
What are gonads? Organs that produce gametes Tubes that allow sperms and ovules to move Structures that protect the embryo The sites where ovule and sperm meet during reproduction
Organs that produce gametes
What is an action potential? The electric signal used by neurons to transfer information The collection of dendrites that make up a neuron The movement of hormones in your body The potential that your body has to complete a movement
The electric signal used by neurons to transfer information
What is the main role of the peripheral nervous system? To serve as a back up to the central nervous system To transport hormones To convey information to and from the central nervous system To receive information
To convey information to and from the central nervous system
What would happen if the sensory neurons in your hand could not transmit a signal? You could move your fingers but you could not feel something touch them. You could not move your fingers or feel something touching them. You could still feel something touching your fingers and still be able to move them. You could feel something touch your fingers but you could not move them.
You could move your fingers but you could not feel something touch them.
The spinal cord is part of the ________ nervous system. autonomic central peripheral somatic
central
In spermatogenesis, ________. both sperms and ovules are produced haploid sperms are produced diploid gametes are produced diploid sperms are produced
haploid sperms are produced
Where does the ovule meet the sperm that fertilizes it? In the oviduct In the ovary In the vagina In the uterus
in the oviduct
The urethra ________. adds fluids to semen is a tube that conveys both urine and semen is where sperms are produced is a structure where semen is stored
is a tube that conveys both urine and semen
The release of an egg from an ovary is called ________. ovulation gametogenesis oogenesis menstruation
ovulation
Genital herpes is a sexually transmitted disease caused by a ________. protist bacteria fungus virus
virus