A muscle on the front of the upper arm is called the biceps. The "short head" and "long head" of the biceps function as a single muscle.The triceps, also known as triceps brachii, is a large muscle on the back of many vertebrates' upper limbs that is known as the "three-headed muscle of the arm" in Latin. The long head, lateral end, and medial end makeup its three components.
Tendons, which are strong connective structures, hold the biceps to the arm bones. The proximal biceps tendons are the tendons that attach the biceps muscle to the shoulder joint twice. The distal biceps tendon is the tendon that connects the biceps muscle to the forearm bones (radius and ulna). When the biceps muscles contract, the forearm is pulled up and rotated outward.
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Answer: Protects skin from damage.
<span>The integumentary system comprises the skin and its appendages acting to protect the body from various kinds of damage, such as loss of water or abrasion from outside. The integumentary system includes hair, scales, feathers, hooves, and nails.</span>
The statements that correctly describe gestation are: the normal period of gestation is about 40 weeks; the stages of this process include: zygote, blastocyst, embryo, and fetus; and changes to the form of the embryo come from differentiation and growth.
The gestation period in humans lasts about 40 weeks and comprises different stages and processes from conception until birth. The main stages of this process include:
- Zygote: Fertilized ovum.
- Blastocyst: Cluster of cells that is the result of the zygote going through cell division.
- Embryo: Unborn human that is still developing, usually before the 8th week of gestation.
- Fetus: Unborn human in development after the 8th week of gestation.
Moreover, this process implies differentiation as cells specialize for specific functions, for example, muscle cells or nerve cells, and growth as the number of cells increases and therefore the embryo or fetus increases in size.
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The defining abiotic factor of deserts is "A) the amount of rainfall" which is relatively very little in deserts. Desert climates can be found almost everywhere in the world.
