What is the main function of the human immune system
To fight off illnesses, infections, and harmful pathogens.
The body's ability to maintain stable internal conditions, such as a constant body temperature, is called
Homeostasis
The body's communication network, which includes the brain, spinal cord, and nerves, is known as the______
nervous system
Where is the genetic material, DNA, primarily located within a human cell?
Nucleus
The male reproductive cells are called___
Sperm
you can determine Bitter, sour and sweet with ___
tongue (mouth)
Name the 5 senses
sight, hearing, smell, taste, and touch
Which part of the human body is primarily responsible for processing information received from our senses and controlling our actions?
Brain
What are a dominant traits?
These traits "overpower" others and appear in the offspring even if only one parent passes the gene.
The female reproductive cells are called
Egg
Chemical messengers produced by glands that regulate many body functions, such as growth, metabolism, and mood
Hormones
When you accidentally touch something hot and quickly pull your hand away without thinking, this rapid, automatic reaction is a________
Reflex
A gland responsible for producing growth hormone, which is attached under the brain
the pituitary
What is a GENE?
A specific segment of DNA that carries instructions for a particular trait, such as eye color or hair type
The passing of characteristics from parents to their offspring is known as____
Heredity
Your tongue and mouth have about _______taste buds.
8000
How many weeks does a typical human pregnancy lasts?
40 weeks
As it hits the retina, it sets off an electrical signal that travels along the _________ to the brain to tell us what we are seeing.
optic nerve
What are the thread-like structures found in the nucleus of cells that are made of DNA and carry genetic information?
Chromosomes
What is the hormone produced by males?
Testosterone
How do white blood cells help your body respond to potential threats from the environment?
When they locate an infection, these cells move to the site under attack to destroy the invading pathogen and prevent illness
What is the diffence between ZYGOTE and ENBRYO
A zygote is the single-celled, fertilized egg formed immediately after a sperm meets an egg, while an embryo is the multicellular organism that develops from the zygote through division
When you shiver, it’s _______ trying to keep your body temperature normal. f eve r
the hypothalamus
What does DNA stand for?
Deoxyribonucleic Acid
What is the hormone produced by Females?
Strogen