Explanation

Metacarpal bones are the five long bones found in the hand, connecting the wrist (carpal bones) to the fingers (phalanges).

They form the structure of the palm and provide support for finger movements.

Explanation

Weight of the adult men brain $=49$ ounces
So, $49$ ounces
$=\frac{49}{16}$  pounds
$=3.0625$ pounds
Therefore, the weight in pounds is $3.0625$.

Explanation

The seat of memory and intelligence in the human brain is the cerebral cortex.

the cerebrum is the part that is designated as the seat of intelligence and voluntary action control. 

while

 cerebellum is part of your brain that helps coordinate and regulate a wide range of functions and processes in both your brain and body.

NA21-8-2023

Explanation

 humans have five senses:

taste,

smell,

vision,

hearing,

touch.

Explanation

Explanation

• Veins are the blood vessels that carry blood from other parts of the body back to the heart.
• They have one-way valves that prevent blood from flowing backwards and ensure it keeps moving towards the heart.

Explanation

The Hindbrain is divided into three main parts:

• Medulla Oblongata (controls breathing, heart rate, and blood pressure)
• Pons (involved in controlling sleep and arousal)
• Cerebellum (coordinates movement, balance, and learning)

Explanation

The vitreous humor, sclera, and iris are all parts of the eye.

The vitreous humor is a clear gel that fills the space between the lens and the retina.

The sclera is the white outer layer of the eye.

The iris is the colored part that controls the size of the pupil.

Explanation

Explanation

• Anemia can be caused by a deficiency of iron or vitamin B9 (folate).
• Iron deficiency impairs hemoglobin production.
• While vitamin B9 deficiency affects red blood cell formation.