Question | Answer |
How many sperm are needed to fertilize the egg? | 1 |
Sex cells from a human female contain how many chromosomes? | 23 |
Where is sperm produced? | Testes |
XX sex chromosomes is what sex baby? | Female |
How many chromosomes are there in a fertilized egg? | 46 |
Which parent is responsible for the sex of the child? | Father |
Where does fertilization occur? | Fallopian tube |
The egg is released by what organ? | Ovary |
Where does the fertilized egg implant and grow? | Uterus |
What is the male hormone? | Testosterone |
What was attached to your belly button when you were still in the womb? | Umbilical cord |
What is the purpose of the menstrual cycle? | Ovulation which allows reproduction |
What is the correct order of development after fertilization? | Zygote, Embryo, Fetus, Infant |
Why does the womb thicken during the menstrual cycle? | To prepare for fertilization |
What is the union of a sperm and an egg called? | Fertilization |
What are testes found within? | Scrotum |
The egg travels from the ovary to the uterus through the what? | Fallopian tube |
What is the embryo cushioned by? | Amniotic fluid |
What is the path the sperm takes through the male reproductive system? | Testes, epididymus, vas deferens, urethra |
Where do eggs develop and mature? | Ovaries |
What is the path the egg takes during ovulation? | Ovary, fallopian tube, uterus, cervix, vagina |
What is the cerebrum? | The largest part of your brain and where you think |
What is the medulla? | Connects to your spinal cord and controls all of your involuntary processes |
What is the cerebellum? | It processes sensory information and controls balance and coordination |
What is the spinal cord? | It connects mostly all parts of the body to the brain and it forms the central nervous system; collection of axons and nerves; connects to the brain |
What are receptors? | They respond to stimulus and transmit a signal to a sensory nerve |
What is the peripheral nervous system? | Outside the brain and spinal cord |
What is the central nervous system? | The brain and spinal cord |
What are motor neurons? | Impulses that pass from your brain or spinal cord to muscles or glands |
What are sensory neurons? | They transmit sensory information |
What is an impulse? | A sudden strong and unreflective urge or desire to act |
What is synapse? | A gap between two nerve cells or neurons |
What hormone does the adrenal gland produce? | Flight/ fight response |
What does the thymus gland do? | Fights infections |
What does the pancreas do? | Produces insulin and regulates blood sugar |
What does the parathyroid gland do? | PTH; regulates the amount of calcium |
What do the ovaries produce and do? | Produce estrogen; are the main female reproductive organ; control female characteristics |
What do the testes produce and do? | Produce testosterone; are the male reproductive cell; control male characteristics |
What are the hormones? | Chemical messengers |
What do the thyroid produce and do? | Produce HGH; control metabolism |
What does the pituitary gland do? | Regulates skeletal system; controls other glands |
What do glands do? | Produce and release hormones |
What does the endocrine system do? | System of cells and glands that secretes hormones that regulate growth, sexual development, and homeostasis |
What is the part of the brain that controls balance and coordination? | Cerebellum |
What is the control center of the body; part of the CNS? | Brain |
What is the largest part of the brain; memory, reasoning, personality? | Cerebrum |
What is protected by the spine and receives messages from the brain and body? | Spinal cord |
What is the nervous system that is made of nerves and leaves from the spinal cord? | Peripheral nervous system |
What is the scientific name for nerve cells? | Neuron |
What are specialized cells that detect changes inside and outside the body called? | Receptors |
What is the nervous system made up of the brain and spinal cord? | Central nervous system |
What is an electrical message that travels through a neuron? | Impulse |
What is a quick involuntary response to a stimulus? | Reflex |
What is the part of the brain that controls involuntary actions; breathing and heart beat? | Medulla |
What comes from the spinal cord in pairs about the diameter of the thumb? | Nerves |
What is the largest part of the brain that controls sneezing, blinking, and breathing? | Cerebrum |
What system sends electrical impulse messages? | Nervous system |
What part of the brain has 2 hemispheres? | Cerebrum |
What are actions we have no control over? | Involuntary actions |
What part of your brain controls sneezing, breathing, and blinking? | Cerebrum |
How long would all of you nerves reach? | 47 miles |
Where does the impulse change into chemical? | Synapse |
What side of your brain is dominant if you are right footed? | Left side |
What neurons are responsible for muscle movement? | Motor neurons |
What order does a reflex occur in | Sensory neuron-- spinal cord-- motor neuron |
What helps your body fight disease? | Thymus |
What increases the rate at which you use energy? | Thyroid |
What regulates blood sugar levels? | Pancreas |
What produces hormones involved in reproduction in males? | Testes |
What produces hormones involved in reproduction in females? | Ovaries |
What helps the body respond to stress? | Adrenal gland |
What regulates calcium levels? | Parathyroid gland |
What stimulates skeletal growth? | Pituitary gland |
What system controls body functions such as growth and sexual development? | Endocrine system |
What does glucose convert into in the liver? | Glycogen |
What is the fight or flight hormone that is produced by your adrenal gland? | Epinephrine |
What turn endocrine glands on and off? | Feedback controls |
What is a group of cells that make special chemicals for your body called? | Glands |
What are chemical messengers produced by the endocrine glands called? | Hormones |
What hormone does the pancreas produce? | Insulin |
What part of the brain controls balance? | Cerebellum |
What part of the brain controls smoothness of movement? | Cerebellum |
What part of the brain controls artistic and mathematical ability? | Cerebrum |
What part of the brain controls learning and judgement? | Cerebrum |
What part of the brain controls voluntary movemens? | Cerebrum |
What part of the brain controls breathing? | Medulla |
What part of the brain cotnrols attitudes and emoions? | Cerebrum |
What part of the brain controls heartbeat and blood pressure? | Medulla |