Look at the map and answer the following questions:
Q. Which of the following are the most suitable terms for M and N?
The function of molar teeth can be best illustrated by the function of:
he correct answer is b
They can vary in size and shape but are the largest teeth in the mouth. Molars are rounded and used for grinding food into easily swallowed pieces. The smaller and sharper front teeth are used for biting and tearing food. Molars are designed to sustain great amounts of force from chewing, grinding, and clenching, and each molar is anchored to the jaw bone with two to four roots.
Which of the statements are not correct?
The respiratory system in humans consists of:
The respiratory system consists of all the organs involved in breathing. These include the nose, pharynx, larynx, trachea(wind pipe), bronchi and lungs.
Which system do kidneys belong to?
Soni got injured and her friend gave her an immediate first-aid treatment. She was made to lie down with her legs raised so that her head was lower than her body. Soni most likely:
Which part of our body regulates our walking, talking, eating, etc.?
The brain controls what you think and feel, how you learn and remember, and the way you move and talk. But it also controls things you're less aware of — like the beating of your heart and the digestion of your food.
Which of the following activities will increase our heart rate?
Running will increase our heart rate as it requires more energy from our body which need quick pumping of blood from the heart
The following diagram represents an organ, which takes in oxygen and gives out carbon dioxide. Name the organ.
The inner layer of the stomach releases:
The innermost layer or lining (mucosa) contains the glands that release digestive juices which includes pepsin, chymotrypsin, hydrochloric acid etc. Hence, The inner layer of the stomach releases digestive juices.
Digested food is absorbed by:
Digested food is absorbed by blood in the:
The small intestine absorbs digested food and send it to the blood in our body which transfer it to various parts of our body.
In the figure given below, urine is stored in:
S in the diagram represents Urinary Bladder where the urine is stored before releasing.
Blood in our body is filtered by the:
Which of the following organs is bean-shaped?
An image of kidney (brown coloured)
Which of the following systems is responsible for controlling all activities in the human body?
Nervous system coordinates the activities of our body. It controls all our behaviour, thinking and actions. It is through nervous system only that all other systems of our body work. It passes information from one internal system to another.
The two lower chambers of the heart are called:
The two lower chambers are called ventricles
Digestion is completed in the:
Undigested solid waste is excreted through:
An adult has ____ teeth.
Adults have more teeth than children; most adults have 32 teeth.