What is the purpose of the circulatory system?
To transport materials throughout the body.
Which even happens during infancy?
walking begins
embryos develop
reproductive systems mature
Walking begins
Which system helps the body detect and respond to information from the environment?
the nervous system
Name the 5 senses
sight
hearing
touch
taste
smell
What type of muscle lines the small intestine?
smooth
Does the circulatory system defend the body from disease?
No
Do reproductive organs become mature during infancy?
No, they mature during puberty.
What organs make up the central nervous system?
Brain and spinal cord
Is movement one of the 5 senses?
No
What are the 3 types of muscle?
Skeletal
Smooth
Cardiac
Food enters the body through the
mouth
Is an ova a gamete?
Which part of the blood carries nutrients?
plasma
red blood cells
white blood cells
plasma
What is a chemical signal sent to the organs of the body?
hormone
What is immunity?
Immunity is when your body has been exposed to an invader (such as virus' or bacteria) and your body has developed antibodies against it.
When we swallow food it enters the
esophagus
What is a zygote?
Automatic movements made in response to signals.
Reflexes
The part of the food the body uses to grow and survive.
Nutrients
What is the purpose of the excretory system?
To remove waste from the body.
Nutrients from food is absorbed by the body in this organ of the digestive system.
SMALL INTESTINE.
How long does the average pregnancy last?
40 weeks.
What are the 3 functions of the lymphatic system?
Removes excess fluid from the body.
Produces white blood cells, which protect the body from harmful invaders.
Helps the body absorb and transport fats.
The word which describes the maintenance of steady internal conditions in the body when external conditions change.
homeostasis
What is a menstrual cycle?
A 28 day cycle where the endocrine system controls the uterus. During the cycle 3 things happen:
1. egg grows and matures
2. mature eggs are released from the ovaries and the lining of the uterus thickens.
3. If fertilization does not occur, the lining breaks down and leaves the body taking the egg.