The definition of hormone.
What is a chemical messenger?
The control center that processes information.
What is the brain?
The two organs on either side of your body that filter your blood and make urine.
What are the kidneys?
How fertilization begins.
A sperm cell and an egg cell join together.
The term that describes keeping the body's internal conditions balanced.
What is homeostasis?
The way that hormones travel through the body.
What is the bloodstream?
The name for a bundle of neuron cells.
What is a nerve?
The meaning of excretion.
What is to remove waste from the body?
What is produced in the testes and ovaries respectively.
Another organ that is involved in the excretory system other than the kidneys.
What is the skin, liver or lungs?
The effects of adrenaline on the body.
What is makes your heart beat faster, sweat more, prepares your body to react.
Reasons it's useful for the nervous system to send messages quickly?
What is, so that your body can react rapidly to sudden situations?
The tiny filtering units in kidneys.
What is a nephron?
Explain the uterus's role in pregnancy.
What is, allows development of the fetus including gestation?
A person is very hydrated and their body needs to expel excess water, what would be the expected state of their urine?
What is, diluted?
Reason that excitement and fear might cause similar body reactions.
What is because both those feelings release adrenaline which causes the same reactions in your body.
The order in which the organs and parts of your nervous system processes pain. (brain / sensory receptors / muscles / neurons / pain)
What is, sensory receptors detect a problem, signal travels along neurons , brain receives the signal, feel pain, muscles move?
The step after urine travels towards storage and removal from the body.
What is, useful materials are reabsorbed back into the blood?
Put the process in order from 1–5.
A sperm cell and egg cell join together.
A fertilized egg may begin developing.
Sperm is produced.
An egg is released.
Development can continue in the uterus.
Sperm is produced.
An egg is released.
A sperm cell and egg cell join together.
A fertilized egg may begin developing.
Development can continue in the uterus.
The potential dangers of allowing waste to stay in the body and bloodstream.
What is organ failure/damage, higher risk of disease and infection?
4 things that your sensory receptors can detect.
What are? Physical Forces, Chemical Substances (e.g taste), thermal receptors (temperature), photo receptors (light), pain/damaging stimulus
The three things that the kidneys remove from the body.
What is extra water, salt and waste from the blood?
Why are hormones useful in the reproductive system?
What is controls sperm and egg production, drives menstrual cycles, prepare the uterus for pregnancy?
Reason your body has multiple organ systems rather than just one.
What is division of labor, more specialized to effectively carry out different functions?