Question 1:
What Is a Hairline? Name Five Types of Hairlines.
Answer:
Our scalp hair has an outline on the forehead called a hairline. The five types of hairlines are as follows:
- Widow’s peak
- Bell-shaped hairline
- Low/ high hairline
- Straight hairline
- M-shaped hairline
Question 2:
What Are the Functions of Eyebrows?
Answer:
- The curved strips of hair above the eye are called eyebrows.
- Eyebrows protect our eyes from water and sweat.
- They also help us communicate through different facial gestures and expressions.
Question 3:
How Many Bones Are There in the Human Body? Does a Newborn Baby Have the Same Number of Bones?
Answer:
- In total, 206 bones are present in the human body.
- The number of bones in an adult is less than that in a baby.
- A newborn baby has 300 bones, but as the baby grows, those bones fuse; the total count of bones is reduced in adults.
Question 4:
What Is the Function of Teeth, and How Many Teeth Do We Have on the Lower Jaw?
Answer:
- Teeth are hard and whitish structures that are present inside the mouth cavity.
- The primary function of teeth is to chew and grind food.
- They also provide shape to our faces.
- We have 16 teeth on the lower jaw.
Question 5:
What Is a Joint? Give Examples of Two Types of Joints.
Answer:
The junctions where two bones meet together are called joints. Joints are essential for the movement and locomotion of the human body.
- Hinge joints-
These joints act like door hinges.
Example: Elbow joint, knee joint.
- Ball and socket joint-
This type of joint is made with two bones. One bone is joined inside the hollow space of another bone.
Example: Shoulder joint.