A virus or bacteria that causes harm or disease to the body is called
pathogen
the joining of egg and sperm occurs during...
fertilization
"dynamic equilibrium"
homeostasis
A vaccine contains...
a dead/weakened pathogen
An otter's egg has 20 chromosomes. How many chromosomes are in the otter's body cells?
chemical digestion occurs with the help of what type of protein?
enzymes
The immune system stores memories of these in case there are any future attacks by a pathogen that has already been removed.
antibodies
This part of the female reproductive system is charged with providing nutrients and oxygen to the developing fetus.
Placenta
endocrine system
This virus attacks white blood cells resulting in a weakened immune system
HIV
a zygote becomes an embryo by undergoing what process?
mitosis
organize the following from largest to smallest:
tissue, organelle, organism, cell, organ system, organ
organism, organ system, organ, tissue, cell, organelle
Explain the relationship between the immune system and allergies.
group the following types of reproduction with the type of offspring they create and type of cell division associated:
-Asexual, sexual
-unique offspring, identical offspring
-meiosis, mitosis
-asexual, identical, mitosis
-sexual, unique, meiosis
When a person exercises, their pulse rate and breathing both increase. Why?
Increasing these rates allows for more oxygen into the body (breathing increase) and to travel through the body (circulatory/pulse) which will provide the body with more energy.