What is mechanical digestion?
It involves physically breaking the foods into smaller pieces through chewing with our teeth.
This is the outermost layer of the skin. (a. epidermis, b. dermis, c. hypodermis)
a. epidermis
What is the main organ of the excretory system?
kidneys
These are tiny pouches in the lungs where exchange of gases takes place.
air sacs/alveoli
This part of the digestive system is responsible in absorbing the nutrients from the food the we eat.
small intestine
It binds oxygen and gives blood a red color.
hemoglobin
What is the other job of your lungs aside from getting oxygen for the cells?
It also does the job of an excretory organ.
State the cycle of the digestive system.
mouth-esophagus-stomach-small intestine-large intestine-rectum-anus
Why is the skin considered an excretory organ?
Skin excretes the wastes in our body through sweat.
How long does a blood take to move around the body?
1 minute/60 seconds
It carries oxygen to the different parts of the body.
red blood cells
In most joints, a bone is connected to another bone by what fibrous bands of tissue? (a. tendons, b. ligaments)
b. ligaments
State the journey of the blood.
aorta-vena cava-right atrium-right ventricle-pulmonary artery-lungs-pulmonary veins-left atrium-left ventricle-aorta
This is a working unit of the nervous system.
reflex
These are tubes through which blood moves.
blood vessels
State the breathing cycle.
nose-pharynx-trachea-bronchus-bronchioles-alveoli
This help sort messages and channel them to the correct part of the brain.
brain stem
How will you take care of your body systems?
-accept reasonable answers-
This is a thin sheet of muscles below the lungs.
diaphragm
This tube is also known as windpipe.
trachea
What are the two parts of the nervous system?
CNS (Central Nervous System) and PNS (Peripheral Nervous System)
What are the components of blood?
red blood cells, plasma, white blood cells, platelets
A muscle is attached to what fibrous bands of tissue? (a. tendons, b. ligaments)
a. tendons